Plants produce their own food with the help of light. This process is called Photosynthesis.
Photosynthesis is possible because of the special structures present in plant cells, which allow them to capture maximum light from the sun and convert it into food which is utilized by plants.
Leaves contain mesophyll cells which capture light energy. Chloroplast which is the main organelle for photosynthesis contains various pigment systems like P700, P680, carotenoid, etc. these Pigment system captures the light energy and convert them into chemical energy.
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• explain why the branches on the ""tree of life"" all originate from a single ""trunk.""
The "tree of life" is a concept used in biology to depict the evolutionary relationships between all living organisms. The branches of the tree represent different species, and the trunk represents their common ancestry.
This concept is based on the theory of evolution, which states that all living organisms evolved from a common ancestor through the process of natural selection.
The idea of a tree of life originated from Charles Darwin's theory of evolution, which proposes that species evolved through the process of natural selection over long periods of time.
This theory is supported by evidence from the fossil record, comparative anatomy, and molecular biology. Scientists have been able to reconstruct the evolutionary relationships between species by comparing their physical and genetic characteristics.
The branches of the tree of life represent the different species that have evolved from the common ancestor over time. Each branch represents a lineage of species that share a common ancestor, and the length of the branch reflects the amount of time that has passed since the divergence of the species.
The more closely related two species are, the more closely they are positioned on the tree.
In conclusion, the branches of the "tree of life" all originate from a single trunk because all living organisms share a common ancestry and have evolved from a common ancestor through the process of evolution.
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Inability to copulate due to inability to maintain an erection; also called impotence.
Erectile dysfunction is a multifaceted but frequent male sexual dysfunction that involves a change in any of the biological, relational, or psychological components of the erectile response.
Nonendocrine (neurogenic, vasculogenic, and iatrogenic) and endocrine routes have been postulated to play roles. Because of its close link to metabolic syndrome and cardiovascular disease, men with erectile dysfunction may benefit from a cardiac evaluation.
These symptoms, in turn, have an impact on his partner's sexual experience as well as the couple's overall quality of life. This Primer discusses a variety of features of erectile dysfunction, reviews novel therapeutic targets and ongoing preclinical research evaluating new pharmacotherapies, and discusses regenerative medicine, which is the future of sexual medicine.
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genes determine a person’s eye color by coding for nitrogenous bases that affect eye color. (T/F)
False In order to modify nitrogenous bases that affect eye color, genes code for them.
Are there introns that affect eye color that are coded for by genes that determine a person's eye color?The introns that affect eye color are coded for by genes, which define a person's eye color. An operon in prokaryotes is a collection of genes that are controlled collectively. In comparison to prokaryotes, eukaryotes have simpler gene regulation.
Which form of RNA serves as the genetic code's architectural blueprint?Particularly, messenger RNA (mRNA) transports the instructions for building proteins from a cell's DNA to its ribosomes, the "machines" that carry out protein synthesis.
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if there are 2.54 cm in one inch how many centimeters are in 2 feet?
Answer:
60.96 centimeters
Explanation:
There are 12 inches in one foot, so 2 feet is equal to 2 × 12 = 24 inches.
To convert inches to centimeters, multiply the number of inches by 2.54:
[tex]\sf:\implies{ 24 \: inches × 2.54 cm/inch = 60.96 cm}[/tex]
Therefore, 2 feet is equal to 60.96 centimeters.
Eugene plans to use algor mortis to determine the victim's time of death. How will Eugene MOST accurately use this method?
O A. He will look for pools of blood in the victim's body.
B.
He will ask about the victim's final behaviors.
OC.
He will calculate the victim's body temperature.
He will see how long it takes for the body to become stiff.
O D.
which animal would most likely be found in a warm area near the equator that gets around two meters of rainfall per year?
The tropical rainforest ;The climate and biodiversity of one of Earth's most diverse and iconic biomes, the tropical rainforest, are discussed in this article.
Tropical rainforests are rainforests that occur in areas of tropical rainforest climate where there is no dry season - all months get at least 60 mm of precipitation - and are also known as lowland equatorial evergreen rainforest. True rainforests are often found between 10 degrees north and south of the equator (see map); they are a subset of the tropical forest biome that occurs between 28 degrees north and south of the equator (in the equatorial zone between the Tropic of Cancer and Tropic of Capricorn).
Tropical rainforests are a form of tropical moist broadleaf forest (or tropical wet forest) that encompasses the more widespread seasonal tropical forests, according to the World Wildlife Fund's biome categorization.
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Answer: orangutan
Explanation:
TRUE/FALSE. doubled-stranded dna consists of two antiparallel strands, meaning that one strand is oriented in the 5' to 3' direction, while the other is oriented in the 3' to 5' direction.
DNA molecule has an antiparralel structure in which both strands are orientated opposite to each other. The statement is TRUE. Doubled-stranded dna consists of two antiparallel strands, meaning that one strand is oriented in the 5' to 3' direction, while the other is oriented in the 3' to 5' direction.
What is DNA molecule?
DNA is a nucleic acid molecule known as deoxyribonucleic acid. It is composed of paired nitrogenated bases that correspond to purines and pyrimidines and are arranged in two antiparallel strands.
These strands have different poles,
One of the extremes has a phosphate group, which is named 5'. The other extreme has a hydroxyl OH named 3'.
Both strands are readen in the 5' to 3' direction, but their orientation is opposite to each other, meaning they run in opposite directions.
The statement is TRUE. The doubled-stranded dna consists of two antiparallel strands, meaning that one strand is oriented in the 5' to 3' direction, while the other is oriented in the 3' to 5' direction.
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True. A double-stranded DNA consists of two antiparallel strands, meaning that one strand is oriented in the 5' to 3' direction, while the other is oriented in the 3' to 5' direction.
Structure of DNADNA is a double-stranded molecule in which the two strands are twisted around each other to form a double-helix structure.
The two strands in a DNA double-helix are antiparallel to each other with one strand, usually called the leading strand, oriented in the 5' to 3' direction while the other strand, otherwise known as the lagging strand, oriented in the 3' to 5' direction.
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Which of the following statements is true? In adhesion_ water molecules are attracted to each other
In cohesion water molecules are attracted to other types of molecules In cohesion_ water molecules are attracted to each other
Cohesion and adhesion are caused by the non-polar nature of water molecules.
It's indeed accurate that water molecules become drawn to one another in cohesion.
Describe cohesion.The behavior, state, or activity of similar molecules or things adhering to one another is known as cohesion. Water droplets are one illustration. The propensity of hydrogen atoms to adhere to one another is known as cohesion, and a supportive force like a strong hydrogen bond holds them together.
What makes cohesiveness crucial?Cohesion is a feature of water molecules that results from this bonding, which is significant. Plants can absorb moisture at their roots thanks to the cohesiveness of water molecules. Water's high melting and boiling point, which aids animals in controlling body heat, is also a result of cohesion. It results from the strong attractive forces between molecules that are similar.
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How does the iris help the eye function?
The iris (the colored part of the eye) controls how much light the pupil lets in.
What is the function of the iris in the human eye?
Iris restricts the light to pass through the eye over to the retina.Iris provides protection to the eye from microorganisms.Iris controls the size of the pupil and hence the amount of light entering the eye.Iris allows color detection in the eye.How does an iris work?
These muscles control the size of the pupil and thus determine how much light reaches the sensory tissue of the retina. The sphincter muscle of the iris is a circular muscle that constricts the pupil in bright light, whereas the dilator muscle of the iris expands the opening when it contracts.
What is the function of the iris?
The colored part of the eye helps regulate the amount of light entering the eye. When there is a bright light, the iris closes the pupil to let in less light. And when there is low light, the iris opens up the pupil to let in more light. Focuses light rays onto the retina.
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The iris helps regulate the amount of light entering the eye, which aids in eye function. Control the size of the pupil by contracting or dilating it to adjust the amount of light passing through the lens.
What is the function of the eye?
The function of the eye is the ability of the eyes to work together to produce clear vision and the ability to perceive and interpret visual information received from the environment. The eye is a complex organ made up of multiple structures that work together to provide vision and the perception of light.The eyeball consists of three main layers: the sclera, the cornea, and the retina. The sclera is the outer white part of the eye and provides structural support. The cornea is the clear, curved window at the front of the eye and is responsible for focusing light onto the retina.
The retina is the light-sensitive layer at the back of the eye and is responsible for converting light into nerve signals, which are then sent to the brain.
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how might the transduction process increase the genetic variation of a virus?
Answer:
bacteriophage transfers genetic material from one host cell to another
Explanation:
When this virus infects another bacterial cell, the part of bacterial DNA present in viral DNA can insert in the second bacterial cell through homologous recombination. As a result, bacteriophage transfers genetic material from one host cell to another and increase genetic diversity.
The portion of bacterial DNA existing in the viral DNA can insert into the second bacterial cell by homologous recombination when this virus infects another bacterial cell.
Bacteriophages boost genetic variety by spreading genetic material from one host cell to another. Prokaryotes have three different types of gene transfer, which broadens their genetic diversity. Transduction, conjugation, and transformation are them. Because of the ramifications for scientific study and bacterial antibiotic resistance, transduction is significant. A variety of processes can produce virus variation. Genetic recombination can result in significant changes to the organisation and structure of the genome. Additionally, there are gene adoptions, gene swaps, and gene duplications. However, mutation via nucleotide substitution is the most typical type of change.
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Observe the above diagram and identify the process shown.
The process shown in the diagram is kidney dialysis.
What is kidney dialysis?When the kidneys cease functioning properly, a treatment called dialysis is used to eliminate waste materials and extra fluid from the blood. Blood is frequently directed to a machine to be cleansed in this process.
Depending on your underlying medical conditions and how closely you adhere to your treatment plan, your life expectancy on dialysis may change.
Although patients should expect to remain on dialysis for 5 to 10 years on average, many have successfully maintained their health for 20 or even 30 years.
Therefore, the process shown in the diagram is kidney dialysis.
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What factors affect the migration of a protein in gel electrophoresis?
The rate of protein migration is governed by the interaction between pore size and the charge, size, & shape of the protein.
What elements impact protein gel electrophoresis?The features of the molecule or ions being investigated, the environment (buffer), and the applying electrical field are all factors that can affect electrophoresis.
Which factors influence migration distance electrophoresis?The speed at which molecules move through the gel and the distance they migrate over are both influenced by the size and charge distribution of the molecule.A molecule moves through the gel more quickly when it is small and strongly charged.The migration rate is slowed down by large bulk and weak charge.
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structural formulas show the arrangement_______ of in molecules
Structural formulas show the arrangement of atoms of in molecules. These formulas show the arrangement of atoms within a molecule, including their bonds and the arrangement of bonds in 3-dimensional space. They are used by chemists to understand the behavior and properties of molecules.
In biology, atoms play a fundamental role in the structure and function of biological molecules such as proteins, lipids, carbohydrates, and nucleic acids. The combination and arrangement of atoms in these molecules determine their properties and functions, which are essential for life processes such as energy production, cellular communication, and DNA replication. Understanding the structure and properties of biological atoms and molecules is essential for studying various biological disciplines such as biochemistry, genetics, and molecular biology.
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which of the following is a neurotransmitter that is targeted by various antidepressant and antipsychotic drugs? multiple choice prolactin serotonin oxytocin endorphin
Serotonin is a neurotransmitter that is targeted by various antidepressant and antipsychotic drugs.
Serotonin is a chemical messenger in the brain that is involved in regulating mood, appetite, and sleep. Antidepressant drugs, such as selective serotonin reuptake inhibitors (SSRIs), work by increasing the levels of serotonin in the brain. This can help to relieve symptoms of depression, anxiety, and other mood disorders. Antipsychotic drugs, on the other hand, work by blocking the effects of dopamine and other neurotransmitters, which helps to reduce the symptoms of psychotic disorders such as schizophrenia.Serotonin is also thought to play a role in regulating various other functions in the body, including digestion and cardiovascular function, which is why it is targeted by a number of different drugs for various different conditions. Overall, serotonin is a critical neurotransmitter for the regulation of various important functions in the body, and targeting it with drugs has been found to be a useful strategy for treating a range of mental health and medical conditions.
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a textile manufacturer obtained a sample of 50 bolts of cloth from a day’s output. each bolt is carefully inspected and the number of imperfections is recorded as follows:
The mean of the data set is calculated by summing up the number of imperfections for each bolt and dividing by the total number of bolts, which is 50.
(0 x 32 + 1 x 12 + 2 x 5 + 3 x 1)/50 = 0.9
The median of the data set is the middle value when the data is arranged in numerical order. In this case, the median is 1 since it has 25 bolts with 0 imperfections and 25 bolts with 1 or more imperfections.
The mode of the data set is the value that appears most frequently. In this case, the mode is 0 since it is the value with the highest frequency (32 bolts).
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Complete quetion:
A textile manufacturer obtained a sample of 50 bolts of cloth from a? day's output. Each bolt is carefully inspected and the number of imperfections is recorded in the accompanying table. Find the? mean, median, and mode for these sample data.
Number of imperfections: 0 1 2 3
Number of bolts: 32 12 5 1
The mean of the data set is_________ (Type an integer or a decimal)
The median of the data set is _________.
The mode of the data set is ___________
A cross between two mice with long tails and brown fur produced the four types of offspring listed below.
long-tailed with brown fur
long-tailed with white fur
short-tailed with brown fur
short-tailed with white fur
Which genetic law best explains the results of this cross?
Segregation
Independent assortment
Dominance
Incomplete dominance
Answer:The genetic law that best explains the results of this cross is Segregation.
In Segregation, each parent has two copies of a gene, one from each parent, and each offspring receives one copy of the gene from each parent. In this cross between two mice with long tails and brown fur, the two genes for tail length (long or short) and fur color (brown or white) have separated, or segregated, during gamete formation, and each offspring has received one copy of each gene.
The fact that the offspring have different combinations of these genes (long-tailed with brown fur, long-tailed with white fur, etc.) suggests that the genes for tail length and fur color are located on different chromosomes and are assorting independently of each other, which is also in line with the law of Independent Assortment. However, the fact that the offspring display four distinct phenotypes (appearance) implies that the genes for tail length and fur color are dominant or recessive and not codominant, which would be seen in Incomplete Dominance.
Explanation:
The genetic law that best explains the results of this cross is Segregation.
In Segregation, each parent has two copies of a gene, one from each parent, and each offspring receives one copy of the gene from each parent. In this cross between two mice with long tails and brown fur, the two genes for tail length (long or short) and fur color (brown or white) have separated, or segregated, during gamete formation, and each offspring has received one copy of each gene.
The fact that the offspring have different combinations of these genes (long-tailed with brown fur, long-tailed with white fur, etc.) suggests that the genes for tail length and fur color are located on different chromosomes and are assorting independently of each other, which is also in line with the law of Independent Assortment. However, the fact that the offspring display four distinct phenotypes (appearance) implies that the genes for tail length and fur color are dominant or recessive and not codominant, which would be seen in Incomplete Dominance.
Simple diffusion of a molecule down its concentration gradient requires an input of energy to the system.
It is False that Simple diffusion of a molecule down its concentration gradient requires an input of energy to the system.
Simple diffusion occurs when solutes traverse a semipermeable membrane through a solution's concentration gradient. Passive transport across a membrane is the simplest form of transport. Passive transport involves a substance diffusing down its concentration gradient across a membrane and does not require the cell to expend any energy. A concentration gradient is simply a region of space over which a substance's concentration changes. Substances naturally move down concentration gradients, from higher to lower concentration areas.
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(complete question)
Simple diffusion of a molecule down its concentration gradient requires an input of energy to the system.
true or false.
Its a project and im behind i need help please.
Triangle PQR has vertices P(–3, –1), Q(–3, –3), and R(–6, –2). The triangle is rotated 90° counterclockwise using the origin as the center of rotation. Which graph shows the image, triangle P’Q’R’?
On a coordinate plane, triangle P prime Q prime R prime has points (negative 3, negative 1), (negative 3, negative 3), (negative 6, negative 2).
On a coordinate plane, triangle P prime Q prime R prime has points (negative 1, 3), (negative 3, 3), (negative 2, 6).
On a coordinate plane, triangle P prime Q prime R prime has points (1, negative 3), (3, negative 3), (2, negative 6).
On a coordinate plane, triangle P prime Q prime R prime has points (3, negative 1), (3, negative 3), (6, negative 2).
Answer:
On a coordinate plane, triangle P'Q'R' has points (3, negative 1), (3, negative 3), (6, negative 2)
Explanation:
Please find the attachment for detail
Answer:
D
Explanation:
while learning about corticosteroids in pharmacology class, a student asks the instructor what a clinical indication for the use of corticosteroids would be. what would be the instructor's best response?
The instructor's best response would be: "Cortico-steroids are indicated for a wide range of clinical conditions, including inflammation, autoimmune disorders, allergies, and certain cancers. They can also be used to suppress the immune system and prevent organ transplantation rejection".
Steroids specially corticosteroids a group of medications that are prescribed to address different medical issues. They have anti-inflammatory, immunosuppressive, and anti-aldosterone properties and are comparable to the hormones made by the adrenal glands. Inflammation, autoimmune disorders, allergies, certain malignancies, adrenal insufficiency, and organ transplant rejection are just a few of the ailments that can be treated with corticosteroids. They can be taken orally, topically, inhaled, or intravenously, and are frequently prescribed by a doctor or other healthcare professional. They can also be utilized to reduce immunological response and stop organ rejection. As a replacement therapy for adrenal crisis or insufficiency, corticosteroids are also employed.
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advantages and disadvantages of ocean thermal conversion plant with diagram
please answer quick!!
The advantages and disadvantages of ocean thermal conversion plant w are shown in the image attached.
What are the advantages and disadvantages of ocean thermal conversion plant?Advantages:
Renewable energy source: Ocean Thermal Energy Conversion (OTEC) uses the ocean's temperature difference to generate electricity, making it a renewable energy source.
High energy potential: The ocean holds a vast amount of thermal energy, which can be harnessed for power generation, making it a reliable energy source.
Disadvantages:
High upfront costs: The initial cost of setting up an OTEC plant can be high, making it less attractive as a power generation option compared to fossil fuels.
Location-specific: OTEC plants can only be set up in specific locations with a suitable temperature difference between the surface and deep ocean waters.
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1. True or False: Evolution requires that an immense amount of new genetic information had to have arisen out of nothing in order for a bacterium to transform into a man.
a. True
b. False
The statement as shown in the question is false.
What is evolution?Evolution is the process by which species of organisms change over generations through natural selection, leading to the development of new species.
It is the central concept in biology explaining the diversity of life on earth and the adaptations of organisms to their environments. Evolution is supported by a large body of scientific evidence from many different fields of study.
We know that evolution would take place gradually and does not take place out of nothing.
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Why are nutrients needed for living things? Describe the difference between living and nonliving things.
Can I have a good answer.
Nutrients are required for living beings for survival as nutrients play important role in various biological activities.
What is the difference between living and nonliving things?Anything that is alive today or has ever been alive is referred to as a "living thing."
Anything that has never been alive is considered non-living. Something must be able to grow and develop, consume energy, reproduce, have cells, react to its surroundings, and adapt in order to be categorized as life.
All living things have senses, and can breathe, consume, grow, move, and reproduce. Non-living things cannot breathe, move, grow, eat, or reproduce. They have no senses.
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Answer:
living things: reproduce, grows, uses energy, and uses nutrients.
nonliving things: can't do anything living things can.
Explanation:
READ THE TEXT BOOK!!!
Why is heating a first step in pcr amplification of extracted dna?
during translation, how does the mrna strand physically interact with trnas carrying amino acids?
The mRNA strand physically interacts with tRNAs transporting amino acids during translation, since tRNAs deliver their amino acids to the mRNA in a specified order.
The cell uses the genetic information contained in mRNA to generate the proteins that carry out the cell's activity during translation. The code in the mRNA is translated by the cell into a new language, the language of proteins, which is based on amino acids. Other forms of RNA exist, such as transfer RNA.
RNA (tRNA) also plays a role in protein building. tRNA is an RNA that has been folded into a three-dimensional structure. It transports and carries an amino acid to the polypeptide chain being assembled by the ribosome An anticodon is a three-nucleotide sequence that is complementary to the three-nucleotide sequence in the corresponding codon on the mRNA. Each anticodon is unique to a single codon.
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the polymerase chain reaction can only be employed on bacterial samples for pathogen diagnoses. True or false?
This statement that the polymerase chain reaction can only be used with bacterial samples for pathogen diagnosis is incorrect.
The polymerase chain reaction is a widely used method for rapidly making millions to billions of copies of a given DNA sample, allowing scientists to take very small samples of DNA and can be amplified to a sufficient amount for detailed study. PCR is a highly sensitive technique that allows rapid amplification of specific DNA segments. PCR creates billions of copies of a specific DNA fragment or gene, allowing the detection and identification of gene sequences using visual techniques based on size and charge. This statement that the polymerase chain reaction can only be used with bacterial samples for pathogen diagnosis is incorrect.
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What is the major problem facing the forensic dna community?a)Contamination of DNA samples by evidence collectors b)Backlog of unanalyzed DNA samples c)Lack of recent advancements in DNA technology d)Existence of computerized DNA databases
The major problem facing the forensic DNA community is that: (b) The backlog of unanalyzed DNA samples.
Forensics is the application of science in the investigation of crimes and identification of criminals. It makes use of the DNA samples and fingerprints that are unique in each individual. This helps in identification of the real criminals.
DNA stands for Deoxyribonucleic Acid. It is the nucleic acid that serves as the genetic material in majority of the organisms. The structure of DNA is comprised of two strands that are anti-parallel in nature and are joined with each other through the hydrogen bonds between the bases.
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used to identify different sections of the body; mid-sagittal (median), coronal (frontal), and transverse (horizontal) - section is named form the plane along which it is cut
The Median Plane is a mid-sagittal plane that divides the body into two halves (left and right) [head, neck, trunk, tail].
Any vertical plane that separates the body into front and posterior (belly and back) parts is referred to as a coronal plane. Any plane that separates the body into superior and inferior halves and is nearly perpendicular to the spine is referred to as a transverse plane. Any imaginary plane parallel to the median plane is referred to as the sagittal plane.
The coronal or frontal planes are x-y planes that divide the body into front and rear (also known as dorsal and ventral or posterior and anterior) parts. Transversal planes, also known as axial planes or horizontal planes, run parallel to the ground and split the body into top and bottom halves.
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Which ONE of the following statements is FALSE about amino acid metabolism?
A) Amino acids from degraded proteins can be recycled for new protein synthesis.
B) Amino acids contain nitrogen, but most organisms have no storage form of nitrogen and thus rely on consistent dietary intake.
C) Amino acids can be used in energy metabolism.
D) The first step for the use of amino acids used in energy metabolism is oxidation of the amine group.
Which of the following claims concerning amino acid metabolism is FALSE Amino acids from broken down proteins can be reused for the creation of new proteins.
Where can you find protein in a human body?
Keratin, bones, and other tissues with such a low amount of water contain higher protein concentrations.
Why is protein important? What is it?
Describe protein. The body is made up of protein, which may be found in almost every organ, tissue, and body part, including muscle, bone, skin, and hair. It contributes to the production of hemoglobin, which transports oxygen in the blood, and enzymes, which drive numerous chemical reactions. You are made up of at least 10,000 distinct proteins, which also keep you that manner.
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Premature babies are especially likely to gain weight if stimulated by?
Premature babies are especially likely to gain weight if stimulated by touch and massage by their parents.
The findings revealed that kids who had regular physical contact with their parents gained an average of 1.5 ounces per week, which is nearly three times more than those who did not. Touch and massage are two most common physical contacts provided to premature babies which can help them gain weight. When a baby is born before 37 weeks of pregnancy, it is preterm.
A premature infant may be small and require special care, but this does not guarantee that the child will be less intelligent or experience health issues as they age. Your premature baby's health depends on gaining weight at the proper rate. Infants who are fed breast milk or formula instead of intravenously are more likely to acquire weight.
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Which of the following statements is true regarding respiratory gas exchange:
a. A higher PCO2 in the tissues promotes CO2 movement to a lower PCO2 in oxygenated blood.
b. A lower PO2 in oxygenated blood promotes movement of O2 from the blood to the tissues.
c. A higher PO2 in deoxygenated blood promotes movement of oxygen from the lungs to the blood.
d. A higher PCO2 in oxygenated blood promotes movement of CO2 from the tissues to the blood.
A higher PO2 in deoxygenated blood promotes movement of oxygen from the lungs to the blood.
What is deoxygenated blood ?Deoxygenated blood is blood that has had most of its oxygen removed. It is typically dark red in color due to the lack of oxygen-rich hemoglobin molecules. Deoxygenated blood is found in veins, which carry it from the body's organs to the heart. The heart then pumps the deoxygenated blood to the lungs, where it is oxygenated. The oxygenated blood is then returned to the heart and pumped out to the rest of the body. Without the circulation of deoxygenated blood, the body would not be able to obtain the oxygen it needs to function.
This statement is true because a higher PO2 in the deoxygenated blood creates a concentration gradient, which encourages the movement of oxygen from the lungs to the blood. As the oxygen moves from the lungs to the blood, the PCO2 in the blood decreases and the PO2 in the blood increases. This creates an environment that is more favorable for gas exchange to occur.
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