Experiments on denaturation and renaturation after the reduction and reoxidation of the B statement is false
21) Experiments on denaturation and renaturation after the reduction and reoxidation of the -S-S- bonds in the enzyme ribonuclease have shown that the primary sequence of RNase is sufficient to determine its specific secondary and tertiary structure.
22) The structure of the beta turns is having the turn of 180° which involves the four residues of the amino acid whereas on the other hand the in beta turn the carbonyl oxygen of the first residue which forms the hydrogen bond with the amino group hydrogen of the fourth residue and they are often found on the surface of protein and also glycine and proline are after occur in beta turn because the glycine is small as well as flexible and the proline contains the peptide bonds which involves imino N.
So from the given statements the B statement is false that the Gly and Pro rarely occur in beta turns because the truth is gly and pro are often occurs on beta turns.
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legionella, neisseria and pseudomonas are genera of bacteria that are examples of
Legionella, Neisseria, and Pseudomonas are genera of bacteria that are part of the family Gammaproteobacteria.
They are all gram-negative bacteria, meaning they have a thin outer membrane that makes them resistant to some antibiotics. Legionella is a genus of rod-shaped bacteria that includes the species Legionella pneumophila, which is the cause of Legionnaires' disease. Neisseria is a genus of bacteria that includes the species Neisseria gonorrhoeae, which is the cause of gonorrhea, and Neisseria meningitidis, which is the cause of meningococcal disease. Pseudomonas is a genus of bacteria that includes the species Pseudomonas aeruginosa, which can cause severe infections in the lungs, urinary tract, and skin.
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When French geneticist Lucien Cuénot was unable to obtain a pure- breeding yellow mouse when crossing yellow mice with each other, he had discovered pleiotropy O polydactyly O polygenic inheritance testcross
French geneticist Lucien was unable to obtain a pure- breeding yellow mouse when crossing yellow mice with each other he discovered polygenic inheritance so the correct option is B.
Polygenic inheritance is a type of heritage that involves multiple genes. These genes interact with each other and can be passed on from generation to generation. Polygenic heritage can be used to explain the heritage of traits similar as height, weight, and skin color.
Traits like these are determined by multiple genes, as opposed to a single gene. Each gene has a small effect on the particularity, and the concerted effect of numerous genes is frequently seen in the particularity.
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which process is responsible for movement of water between the interstitial and intracellular components
The process responsible for movement of water between the interstitial and intracellular components is called osmosis.
Osmosis is the transfer of water molecules via a selectively permeable membrane, such as the cell membrane, from a region of high concentration to an area of low concentration. Water moves into the cell to balance the concentration gradient when the concentration of solutes (such as ions, carbohydrates, or proteins) inside the cell is higher than outside, causing the cell to inflate. On the other hand, water travels out of the cell, causing the cell to contract, when the concentration of solutes is higher outside the cell than inside. The balance of water and solutes within the cell is maintained and its form and function are preserved through the passage of water between the interstitial and intracellular components.
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Answer Key. Biology I: Unit 2 (A DNA Mastery Unit) - Worksheet 1: DNA Structure. 1. What do the letters DNA stand for?
Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid.
What is DNA and where is it found?
Every cell in our bodies has a nucleus that contains the DNA that determines heritable features. Adenine, cytosine, guanine, and thymine are the bases—pairs of building blocks—that connect the two tangled strands of DNA. The double-stranded structure of DNA resembles a ladder, and bases make up its rungs.
What is DNA composed of?
Nucleotides are a series of molecules that make up DNA. A nitrogen base, a sugar group, and a phosphate group are all components of each nucleotide. DNA can contain the nitrogen bases adenine (A), thymine (T), guanine (G), and cytosine (C) (C). billions of different types of
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Experimental Insight 2.1 describes data on the kernel color distribution of bicolor corn, collected by a genetics class like yours. To test the hypothesis that the kernel color of bicolor corn is the result of the segregation of two alleles at a single genetic locus, the class counted 9882 kernels and found that 7506 were yellow and 2376 were white. Use chi-square analysis to evaluate the fit between the segregation hypothesis and the class results. Calculate the chi-square value for this experiment.
The chi-square value for this experiment is 25.5220.
To perform chi-square analysis, we need to compare the observed frequency of yellow and white kernels with the expected frequency, if the segregation hypothesis were true.
First, we can calculate the expected frequency of yellow kernels as follows:
Expected frequency of yellow kernels = (total number of kernels) * (proportion of yellow kernels in a heterozygote)^2
where the proportion of yellow kernels in a heterozygote is assumed to be 0.5.
Expected frequency of yellow kernels = 9882 * (0.5)^2 = 2500
Similarly, the expected frequency of white kernels can be calculated as:
Expected frequency of white kernels = 9882 * (0.5)^2 = 2500
Next, we can calculate the chi-square value as the sum of the squared differences between the observed and expected frequencies, divided by the expected frequency:
Chi-square = Σ [(observed frequency - expected frequency)^2 / expected frequency]
Chi-square = [(7506 - 2500)^2 / 2500] + [(2376 - 2500)^2 / 2500]
= (5006^2 / 2500) + (124^2 / 2500)
= 25.0244 + 0.4976
= 25.5220
So the chi-square value for this experiment is 25.5220.
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how is a bat's wing similar to a human arm in function?
Explanation:
A bat's wing and a human arm have similar functionalities in terms of movement and control.
Both the bat's wing and the human arm have a skeletal structure consisting of bones and joints, allowing for a wide range of motion and control of the limb. Additionally, both have a network of muscles that allow for the precise and fine control of the limb, enabling movement and manipulation of objects.
While the shape and structure of the bat's wing and human arm are vastly different, both serve a similar purpose in terms of movement and control, making them functionally similar.
Isabella liked to sunbathe. However, after she learned that ultraviolet rays are a cause of environmental mutations, she decided to stop sunbathing.
Another kind of mutation is genetic, and it is caused by small changes in an organism’s DNA. A change in a base pair is a mutation. This can cause the wrong protein to be made during protein synthesis. Which of the following are causes of mutations? Choose three that apply.
A. DNA sequence
B. deletion
C. addition
D. sex-linked
E. substitution
F. expression
Deletion, addition, and sex-linked are causes of mutation, introducing one or more nucleotides to the gene, an insertion modifies the DNA sequence.
What are the different types of mutations?The protein produced from the gene might not work effectively, by eliminating at least one nucleotide from a gene, a deletion modifies the DNA sequence.
One of the sex chromosomes, which are the X and Y chromosomes, is how sex-related disorders are inherited.
When one parent's faulty gene can cause an illness while the other parent's identical gene is normal, this is known as dominant inheritance.
Therefore, B, C, and D are correct.
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2. Pilihan ganda1 minute1 ptQ. Moles are mammals that live underground and eat worms and other insects. The moles locate their food using their sense of smell. Which environmental change would best explain an increase in the number of moles born with a better sense of smell? (Pilihan jawabanMore rainfall makes the soil easier for digging so the moles need to have a better sense of smell to locate the worms.More rainfall makes the soil harder for digging so the moles need to have a better sense of smell to locate the worms.Drought causes the worms to come closer to the surface so the moles need to have a better sense of smell to locate the wormsDrought causes the worms to burrow further underground so the moles need to have a better sense of smell to locate the worms.
The environmental change which would best explain an increase in the number of moles born with a better sense of smell is the selection of traits that are advantageous to organisms' survival will be aided by natural selection.
If the parents of moles are exposed to a variety of odors over the course of their lives, their offspring will have a better sense of smell. Over time, natural selection will favor this adaptation, which will be passed on to the next generation. Moles will become more sensitive to a particular smell and be better able to detect other smells if they are exposed to a variety of smells. As a result, there ought to be a wide variety of food, each with a distinctive scent, in the environment.
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(Complete question)
Moles are mammals that live underground and eat worms.the moles are adapted to use there sense of smell to locate there food. Which environmental change would most likely allow for an increase in the number of moles born with a better sense of smell.
Glands that secrete testosterone and produce sperm.a. Trueb. False
True. The main androgen that controls spermatogenesis in the testis is testosterone.
As a paracrine factor that diffuses into the seminiferous tubules, testosterone is generated by the Leydig cell in response to stimulation with luteinizing hormone (LH). Sperm and seminal fluid are produced by the male reproductive system's glands. Seminal fluid is a component of semen, which contains and shields the sperm, and is provided by the prostate gland, seminal vesicles, and bulbourethral glands. Hormones required for sperm production are produced by the testicles, brain, and pituitary. Changes in these hormones, as well as hormones produced by other organs like the thyroid and adrenal gland, may reduce sperm production.
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A sequence of three consecutive bases in a tRNA molecule which specifically binds to a complementary codon sequence in mRNA is known as_____ a.Triple b.Non sense codon c. Anticodon d.Termination codon
A sequence of three consecutive bases in a tRNA molecule which specifically binds to a complementary codon sequence in mRNA is known an anticodon.
The particular code in the tRNA that permits it to identify a certain codon is termed ananticodon, and it is again a triplet of nucleotide bases.
The tRNA anticodon is a three-nucleotide sequence that is the complement of the three-nucleotide sequence in the mRNA codon. The anticodon's job is to assist the tRNA in locating the proper amino acid that the mRNA codon indicated.
D anticodon is the right answer. Transfer RNAs (tRNAs) transport amino acids to the ribosome. They serve as "bridges," connecting a codon in an mRNA to the amino acid for which it codes. Each tRNA has a set of three nucleotides known as an anticodon.
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What is a cell analogy example?
You may compare a cell to a city! Each component of the cell serves a distinct task. Depending on their similar functions, the components of the cell could be likened to the components of a municipality.
What's an illustration of an analogy?This analogy is a connection used to demonstrate a concept or provide an explanation. For instance, "You never anticipate what you're going to get in life—like it's a box of chocolates." When making an analogy, metaphors as well as similes are acceptable.
Which five analogies are examples of?You will learn more about the function of this literary device by using these analogy examples. Romeo & Juliet's A Title Is a Rose. Life is like the Macbeth Shadow.
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why did scientists think that the macromolecule from which life arose would have to be a nucleic acid?
Bacterial nucleic acids are capable of replicating itself.
Hermann Staudinger, a Nobel laureate, first mentioned high molecular compounds in his first pertinent paper on this subject in the 1920s, but he later added "molecule" to the end of the term to create macromolecule (in excess of 1,000 atoms). When Berzelius first used the term "polymer" in 1832, it had a different meaning than it does today: it merely referred to another type of isomerism, such as that which occurs with benzene and acetylene, and had little to do with size.
Disciplines use the phrase differently when referring to big molecules. For instance, whereas macromolecules are referred to in biology as the four massive molecules that make up living things, the term may also be used in chemistry to describe groups of two or more molecules bound together by intermolecular forces rather than covalent bonds.
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the history and physical examination is a detailed process that attempts to establish a connection between the information provided by the patient about their health and lifestyle with the physical findings from the inspection of each of the eleven body systems. which of ko’s symptoms is paired incorrectly with the body system that might produce that symptom? Sweating; integumentary system.
Shortness of breath; respiratory system.
Feeling feverish; urinary system.
Heartburn; digestive system.
Heartburn; digestive system. The way patients present varied considerably. There will be many people who are worried.
There are several ways in which something could appear. a quiet patient who can only respond to direct questions with monosyllabic responses. The patient who appears to be overconfident and who reacts to (or increases) their fear by showing up with a bag full of online printouts, worried that they have Von Noodles disease, which might be fatal. The irate patient who has been waiting for their appointment or in the waiting area and has had time to consider the worst-case scenario. Recurring patient who necessitates unending assurance. Each is significant even though the two may not be similar.
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By reading the description of the life processes of the organism below which of the following answer choices
is the most appropriate classification?
a. Autotroph
b. Heterotroph
c. Decomposer
d. Carnivore
By reading the description of the life processes of the autotrophs is the most appropriate classification.
What are the characteristics of autotrophs?An autotroph or primary producer is an organism that produces complex organic compounds using carbon from simple substances such as carbon dioxide, generally using energy from light or inorganic chemical reactions.
Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms. Algae, which live in water and whose larger forms are known as seaweed, is autotrophic.
Examples of organisms that are autotrophic are plants and algae, and they have specialized cell organelles that have the ability to power the process of photosynthesis.
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What chromosomal type differentiates males from females?
Each cell in a person typically contains one set of sex chromosomes. Males have one X and one Y chromosome, whereas females have two X chromosomes.
Male DNA:
Each cell contains 46 chromosomes, which are divided into 23 pairs. The allosome, or sex chromosome, is the last or 23rd pair. One X and one Y chromosome are often seen in males. A pair of non-homologous chromosomes and 22 pairs of homologous chromosomes are present in the men (XY). The SRY gene, which determines sex in men, is located on the Y chromosome.
Female DNA:
Two polynucleotide chains that coil around one another to form a double helix make up the polymer known as deoxyribonucleic acid. All known organisms and many viruses contain genetic material in the polymer that is necessary for their growth, development, and reproduction. They are both nucleic acids, as is DNA.
There are two X chromosomes in the female DNA. There are 23 pairs of homologous chromosomes in them. The cell nucleus houses all of these DNA components in close quarters. The SRY gene is absent in them. SRY, or the sex-determining region Y, is a region that can only be found on the Y chromosome.
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Each cell in a person typically contains one set of sex chromosomes. Males have one X and one Y chromosome, whereas females have two X chromosomes.
Male DNA:
Each cell contains 46 chromosomes, which are divided into 23 pairs. The allosome, or sex chromosome, is the last or 23rd pair. One X and one Y chromosome are often seen in males. A pair of non-homologous chromosomes and 22 pairs of homologous chromosomes are present in the men (XY). The SRY gene, which determines sex in men, is located on the Y chromosome.
Female DNA:
There are two X chromosomes in the female DNA. There are 23 pairs of homologous chromosomes in them. The cell nucleus houses all of these DNA components in close quarters. The SRY gene is absent in them. SRY, or the sex-determining region Y, is a region that can only be found on the Y chromosome.
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how do yeast cells communicate
Yeast cells communicate through different ways to one another but the main way is through the release of small molecules called as phermones.
These pheromones can be released from one incentive cell to another, and can induce changes in the behaviour of the entering cell. In addition, incentive cells can also communicate via direct contact with one another through cell face receptors.
Eventually, incentive cells can also communicate through quorum seeing, which is the capability to smell the presence of other incentive cells in the terrain. This allows them to coordinate their conditioning, similar as when to switch from turmoil to respiration. In summary, incentive cells are suitable to communicate with one another in a number of different ways, including the release of pheromones, direct contact, and quorum seeing.
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TRUE/FALSE. the first symptom of mitral stenosis often is as a result of pulmonary venous hypertension.
TRUE. Pneumatic pulmonary venous hypertension is frequently the initial sign of mitral stenosis.
Breathlessness, especially after physical activity or even when you lie down, is one sign of mitral valve stenosis. fatigue, particularly after engaging in more activities. enlarged legs or feet. Mitral stenosis is commonly complicated by pulmonary hypertension. High left atrial pressure, pulmonary arteriolar tightness, & obliterative alterations in the pulmonary vascular bed cause increased pulmonary artery pressure, which often responds to surgical mitral stenosis alleviation. In the adult population, peripheral pulmonary artery insufficiency (PPAS) is a disease that is underdiagnosed. PPAS can cause pulmonary hypertension, however it's more likely to be misinterpreted as either chronic thromboembolic pulmonary hypertension or idiopathic pulmonary arterial hypertension.
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When nutrients move from a high concentration to a lower concentration this is called?
Diffusion is the movement of molecules down a concentration gradient from a higher concentration region to a lower concentration region.
Diffusion is defined as the movement of individual molecules of a substance from a higher concentration area to a lower concentration area across a semipermeable barrier.
Diffusion is the spread of particles through random motion from a high concentration area to a low concentration area. A concentration gradient refers to the unequal distribution of molecules.
In microorganisms, plants, and animals, the diffusion of small molecules and macromolecules (e.g., proteins) in aqueous solutions is crucial. Diffusion also plays an important role in food processing and the drying of liquid mixtures and solutions, such as diffusing aroma constituents from solutions during evaporation in fruit juice, coffee, and tea.
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Is Anaphase I of Meiosis and Mitosis Different?
Yes, Anaphase I of Meiosis and Mitosis are different. In Mitosis, the sister chromatids are pulled apart and moved to opposite poles, while in Meiosis I, homologous chromosomes are pulled apart and moved to opposite poles.
What is Meiosis?
Meiosis is a specialized form of cell division that produces cells with half the number of chromosomes of the parent cell. This process is essential for sexual reproduction as it is responsible for generating the male and female gametes that are then used to create a new organism. During meiosis, the chromosomes of the parent cell are divided into two sets of daughter cells, each with half the number of chromosomes of the parent cell. This process is also referred to as reductional division because it reduces the number of chromosomes in the daughter cells.
Therefore, Yes, Anaphase I of Meiosis and Mitosis are different.
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You are reading a surgeon's operative report. During the course of the surgery, she made several incisions. Your job is to read her operative report and determine where the incisions were made. Draw and label the incisions on Figure 1.19. a The first incision was made in the right anterior sternal region, 3 centimeters inferior to the cervical region. The cut extended vertically in an inferior direction, ending 2 centimeters superior to the umbilical region
According to the surgeon's operation report, the first incision was performed 3 millimeters below the neck area in the right anterior sternal region. The incision was made vertically down.
finishing 2 cm above the umbilical area. Based on the operation report's description, identify the incision on the figure as "Incision 1" and specify its location and direction on the figure. reading a surgeon's operative report. During the course of the surgery ,the first incision was performed 3 millimeters below the neck area in the right anterior sternal region. The incision was made vertically down. she made several incisions. Your job is to read her operative report and determine where the incisions were made. finishing 2 cm above the umbilical area. Based on the operation report's description, the incision on the figure as "Incision 1" and specify its location and direction on the figure.
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what is the genetic relationship between a gametophyte and the gametes it produces?
a. The gametes differ from the gametophyte but not from one another
b. The gametophyte and its gametes are genetically identical
c. The gametophyte and every gamete are each unique
d. Some, but not all, of the gametes are the same as the gametophyte
The genetic relationship between a 'gametophyte' and the gametes it produces can be described as B: "the gametophyte and its gametes are genetically identical".
In plants, the gametophyte is the haploid (n) stage in the life cycle that produces gametes through meiosis. The gametes produced by the gametophyte are also haploid and genetically identical to the gametophyte. This means that the gametes carry half the genetic information of the gametophyte, but are exact copies of the gametophyte in terms of their genetic makeup.
In other words, the gametes are not different from the gametophyte or from each other in terms of genetics, but are simply reduced versions of the gametophyte. When two gametes fuse during fertilization, they form a diploid (2n) zygote that eventually grows into a mature plant.
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What are homologous structures vestigial structures?
Answer:
Vestigial structures are body parts that have lost their use through evolution. Homologous structures are structures that have a common function and suggest common ancestry. Similar embryos suggest that these animals are related and have common ancestors.
The term "vestigial structures" refers to bodily components that have evolved out of use. Homologous structures are those that act similarly and imply a shared heritage.
Are homologous structures vestigial?Vestigial structures are similar to fully developed structures that are passed down across related lineages. As a result, they offer solid proof of shared ancestry and can show us where the species with the vestiges of structures first appeared in evolution.
What do vestiges of constructions mean?A biological structure known as a vestigial structure is one that has significantly diminished in size and lost a significant ancestral function. Famous examples include the tiny wings of kiwis and emus, as well as the eyes of blind cave salamanders and fish.
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explain why dna gyrase is required for efficient unwinding of dna by helicase at the replication fork.
DNA gyrase, also known as topoisomerase, lowers supercoiling (relieves tension) that accumulates during DNA unwinding, preventing DNA breaking.
Why is DNA gyrase required for replication? Without DNA gyrase, strain would accumulate prior to the replication fork as a result of the unwinding process. an enzyme that modifies a DNA molecule's supercoiled shape.Opening DNA replication origins and eliminating positive supercoils that build up in front of replication forks and transcription complexes are both important tasks performed by DNA gyrase.DNA gyrase, also known as topoisomerase, lowers supercoiling (relieves tension) that accumulates during DNA unwinding, preventing DNA breaking.Opening DNA replication origins and eliminating positive supercoils that build up in front of replication forks and transcription complexes are both important tasks performed by DNA gyrase.To learn more about DNA gyrase refer to:
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to maintain the total adult christmas island crab population at 120 million (males females), how many offspring per female must survive to adulthood and reproduce?
A female red-crab is capable of reproducing to 100,000 eggs, which she stores in her abdominal sac. Females migrate into the ocean when the moon begins to wane.
Australia's Christmas Island is home to red crabs. Strands of rain forest cover most of Christmas Island's central plateau. Both a rainy and dry season are experienced on the island, which has a tropical climate. The Christmas Island rainforest floor is home to more than 120 million red crabs. In deep rock crevices or dirt tunnels, red crabs dwell alone. For the majority of the year, crabs remain in the shadow of their home. Crabs start moving toward the beach in October or November, just before the resumption of the rainy season. Females spend the first 12 to 13 days of this stage incubating their eggs in burrows dug in the ground or on coastal rocks and it is capable of reproducing 100,000 eggs This timeframe is in harmony with both the moon cycle and the tides.
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Which best explains why short and long DNA fragments are produced during replication? There are two replication forks in a relication bubble DNA polymerase requires RNA primase to begin replication DNA polymerase III does not have 5'-3' exonuclease activity The two strands of DNA at the replication fork are antiparallel.
The reason short and long DNA fragments are produced during replication is due to the fact that the two strands of DNA at the replication fork are antiparallel.
During DNA replication, the double-stranded DNA molecule is unwound and separated into two single strands by helicases, creating a replication fork. The two single strands serve as templates for new strand synthesis by DNA polymerases. However, because the two strands of DNA run in opposite directions (5'-3' on one strand and 3'-5' on the other), DNA polymerase can only add nucleotides to the 3'-OH end of the growing strand.
This results in the creation of a leading strand, which can be continuously replicated in the 5'-3' direction, and a lagging strand, which is replicated in short fragments (Okazaki fragments) in the opposite direction. The lagging strand fragments are later joined together by ligase to form a continuous strand.
Therefore, the antiparallel nature of the two strands of DNA at the replication fork results in the production of both short and long DNA fragments during replication.
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briefly describe false placenta mammals
Answer: Placental mammals are therian mammals in which a placenta develops during pregnancy. The placenta sustains the fetus while it grows inside the mother’s uterus. Placental mammals give birth to relatively large and mature infants. Most mammals are placental mammals.
Explanation:
Answer:
Any member of the mammalian group characterized by the presence of a placenta, a vascular organ that develops during gestation, which facilitates exchange of nutrients and wastes between the blood of the mother and that of the fetus.
What do we call it when we communicate about how we communicate?
We call how we communicate metacommunication.
What is metacommunication?A secondary communication that describes the intended interpretation of a piece of information is known as meta-communication. It is predicated on the notion that the same message conveyed through various meta-communications might signify completely different things, including their opposite, as in irony.
A secondary expression of intent, known as metacommunication, can either support or contradict what you're expressing out loud. In other words, it refers to the signals you convey to others through your body language.
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two polynucleotide strands may bind to each other to form a double-stranded helical molecule, such as dna. what parts of the nucleotide are involved in this type of bond?
A nucleotide is the basic building block of nucleic acids, such as DNA and RNA, which store and transmit genetic information.
The fundamental units of nucleic acids, which carry and store genetic information, are nucleotides.
The sequence of nitrogenous bases in nucleotides determines the genetic code and provides instructions for the production of proteins.
Nucleotides are essential for the functioning of cells and for the transmission of genetic information from one generation to the next. The following three components make up a nucleotide:
A nitrogenous base: There are four types of nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). RNA also contains adenine, cytosine, and guanine, but instead of thymine, it has uracil (U)
A sugar molecule: The sugar molecule in DNA is deoxyribose and in RNA it is ribose.
A phosphate group: The phosphate group is composed of one phosphorus atom and four oxygen atoms. It provides the energy for chemical reactions in cells.
These three parts combine to form a nucleotide, the basic building block of nucleic acids (DNA and RNA).
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3CuCl2 + 2Al ---> 2AlCl3 + 3Cu
Which type of reaction is this?
decompostion
single displacement
synthesis
double displacement
combustion
a bird called the wandering albatross spends most of its life flying over the oceans of the southern hemisphere, stopping only to breed on storm-swept islands near antarctica. you would predict that the breast muscles of the wandering albatross:
The breast muscles of a bird is Pectoral muscles.
There are two pairs of large muscles that move the wings in flight that is the pectoralis, by which the bird lowers the wing, and the supracoracoideus, by which the bird raises the wings. The supracoracoideus lies in the between the angle of the keel and the plate of the sternum and along the coracoid. By this they creates a pulley like action by means of a tendon that passes through the canal at the junction which is formed by the coracoid, furcula, and scapula and then they attaches to the dorsal side of the head of the humerus. The pectoralis lies over the supracoracoideus and it attaches to the head of the humerus. Striated muscles of birds contain a respiratory pigment known as myoglobin. There are relatively few myoglobin-containing cells in white meat so their texture is white whereas the red meat contains a good amount of myoglobin. The white meat muscle is used in short, rapid bursts of activity, whereas the red meat muscle is characteristic of muscles used continuously for long periods and especially in muscles used during diving.
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