Of the insects listed, the mayfly does not feed as an adult. Mayflies undergo a complete metamorphosis, and the adult stage is a brief stage during which the insects do not feed and only mate and lay eggs.
The larvae of mayflies are aquatic and feed on aquatic plants and small animals, but once they undergo metamorphosis into adults, they lose their mouthparts and cannot feed.
The other insects listed, dragonflies, grasshoppers, and houseflies, all feed as adults. Dragonflies feed on other insects, grasshoppers feed on plants, and houseflies feed on a variety of substances, including rotting food and other organic matter.
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The following table describes some biotechnological processes. 1 producing offspring that have identical
In this question, cloning is discussed in the first process and artificial selection is discussed in the process second.
What are the processes used in biotechnology?In the cloning process, the use of parents to produce offspring which is genetically identical to its parents is called a clone.
In the second process, the artificial selection method is used to choose the high-yielding variety of fruits to develop by the biotechnology method. This method is used to produce a higher amount of products and has resistance to disease.
Therefore, in the given table first is cloning and the second is the artificial selection method.
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The given question is incomplete so the most probable complete question is,
The following table describes some biotechnological processes.
Biotechnological Processes
Process Description
1 Producing offspring that have identical DNA as one parent
2 Crossing a high-yielding fruit variety with a high-vitamin variety
Which biotechnological processes are described in the table?
Which biotechnological processes are described in the table?
Both processes describe cloning.
Both processes describe genetic engineering.
Process 1 describes the cloning and process 2 describes artificial selection.
Process 1 describes the artificial selection and process 2 describes cloning.
what effect do steroids have on the healing process? group of answer choices speeds up primary union speeds up healing inhibits healing no effect
Steroids, also known as corticosteroids, have a complex effect on the healing process. While they can have some benefits, they can also have some negative effects. Here option C is the correct answer.
Speeds up the primary union are partially true. Steroids have been shown to have a positive effect on the formation of a primary union, or the initial stage of healing, by reducing inflammation and swelling. This can help to reduce pain and increase mobility in the affected area.
Speeds-up healing is also partially true. Steroids can help to reduce inflammation and swelling, which can in turn speed up the overall healing process.
Inhibits healing is also partially true. While steroids can have some positive effects on the healing process in the short term, long-term use of steroids can have a negative effect on the healing process. Steroids can interfere with the production of new cells and tissues, which is necessary for the body to repair and heal itself.
Overall, the effect of steroids on the healing process is complex and depends on the duration and dose of the steroid treatment, as well as the underlying health of the individual. While steroids can have some positive effects in the short term, they should be used with caution and under the guidance of a healthcare professional.
Complete question:
What effect do steroids have on the healing process? group of answer choices
A - speeds up primary union
B - speeds up healing
C - inhibits healing with no effect
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which organis do not possess defense aginst oxidative damange, such as catalased and superoxide dismutase
Organisms that must be anaerobes lack antioxidant defenses like catalase and superoxide dismutase.
Anaerobes are what?Anaerobes are basically creatures that do not need energy from oxygen for metabolism. As a result, they are distinct from other species (aerobes) that depend on oxygen for energy. Anaerobes, in contrast to aerobes, can use a variety of different substances during metabolism. Aerobes require oxygen to grow.
Anaerobic bacteria, like other anaerobic species, can breathe without oxygen. In this procedure, a variety of organic and even inorganic materials might be employed as electron acceptors. It's important to note that some anaerobes can tolerate oxygen and even utilize it for respiration in this situation. However, oxygen is toxic to bacteria and cannot be tolerated by some people.
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A child is born with a faulty gene that causes a serious disease
When a child is born with a faulty gene that causes a serious disease, it means that they have inherited a mutated gene from one or both parents. The mutated gene contains incorrect or incomplete instructions for making a protein, which can cause a variety of problems in the body. The severity of the disease depends on the specific gene that is affected and the degree to which it is mutated.
Some faulty genes can cause diseases that are present from birth, while others may not cause symptoms until later in life. In some cases, a person may inherit a faulty gene but not develop the disease themselves, while still being a carrier of the gene and able to pass it on to their children.
Answer: a child born with faulty gene that causes a serious disease is result of "gene change or a mutation"
Explanation:
Gene change cane sometimes cause health conditions such as cystic fibrosis and sickle cell disease. A gene change also can cause birth defects, like heart defects. A gene can change on its own or it can be passed from parents to children.
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1. Which one of the following statements about RNA processing is true? RNA splicing can be catalyzed by tRNA Introns are cut out before mRNA leaves from the nucleus RNA polymerase removes exons from the pre-mRNA A pre-mRNA is often much shorter than the final mRNA molecule that leaves from the nucleus 2. Which of the following is an explanation for how there can be differential gene expression throughout a multicellular organism? Some tissues have histones, while other cells do not use histones There are unique sets of genes present in the different tissues of the organisms Different tissues throughout the organism use different genetic coding rules There are unique combinations of transcription factors in different tissues of the organism 3. Where, in a eukaryotic cell, should functional tRNA molecules be located? RNA polymerase Nucleolus Nucleus Cytoplasm
The correct option is C) Exons are cut out before mRNA leaves the nucleus . Gene expression involves two major stages: transcription and translation.
Transcription involves the production of an mRNA molecule which is called a transcript. However, when this RNA transcript is newly made, it is regarded as pre-mRNA. It needs to undergo certain procedures collectively called RNA processing in order to be considered a mature RNA.
In an eukaryotic cell, pre-mRNA undergoes three major steps to become matured mRNA. These steps are:
1. Capping at the 5' end, which involves the addition of a nucleoside to the 5' end of the mRNA molecule.
2. Polyadenylation, which involves adding Adenine nucleotides to the 3' end of the mRNA molecule.
3. Splicing, which involves removal of the non-coding regions of the gene called EXONs from the coding region called INTRON. This process is carried out by an enzyme called SPLICEOSOMES.
RNA processing in eukaryotes occurs before the mRNA molecule leaves the nucleus for the cytoplasm in order to be translated. At the end of the RNA processing, the mature RNA molecule that leaves the nucleus is shorter than the pre-mRNA molecule due to the removal of exons during splicing.
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A mutation the does not cause a change of an amino acid that has an effect in the function of a protein is said to be a________mutation
A.translocation
B.frameshift
C.silent
D.point
Silent mutation does not cause change of an amino acid which has an effect on the function of protein.
What is mutation?Mutation is a process in which genetic material (DNA or RNA) is altered in some way, resulting in a permanent change to the genetic code. Mutations can be caused by environmental factors such as radiation, or can be inherited or spontaneous. They can result in a variety of changes to the physical characteristics of an organism, including changes to its DNA sequence.
Types of mutations include:
1. Point mutations: A single nucleotide is changed, added, or removed.
2. Insertions and deletions: Multiple nucleotides are added or removed.
3. Frame-shift mutations: A nucleotide is added or removed, resulting in a shift in the reading frame of the genetic code.
4. Chromosomal mutations: A whole chromosome is added or removed.
5. Duplications: A section of DNA is repeated.
6. Inversions: A section of DNA is reversed.
7. Translocations: A section of DNA is moved to a different location in the genome.
8. Silent mutations: A nucleotide is changed, but the resulting protein is the same as the original protein.
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Individuals that are better suited to their environments are more likely to survive and reproduce. This is the basis of what theory?
The theory that individuals that are better suited to their environments are more likely to survive and reproduce is the basis of Charles Darwin's theory of evolution by natural selection.
Natural selection, or evolution, is a theory put out by Charles Darwin to explain how species of plants and animals evolve over time.
It says that:
There is diversity within a species, which means that individuals within a species have unique traits and qualities.For survival and reproduction, some of these features are beneficial or useful, while others are not.A species' members who possess beneficial features are more likely to live longer, breed, and pass those traits on to their progeny.Over several generations, desirable qualities become more prevalent in the population while unfavorable features become less prevalent.As features evolve over time, new species emerge as descendants of one species diverge from their ancestors to the point that they are no longer compatible for mating.Learn more about Charles Darwin's theories here:
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Arrange the following steps of applying immersion oil in the correct sequence
a. Apply a drop of immersion oil directly onto area Of the slide you were viewing. b. Focus on the specimen using the 40x objective lens. c. Tum the objectives to half way between the 40x lens and the 100x lens. d. Rotate the 100x lens over the microscope slide, and use the fine focus adjustment knob to sharpen the image
The correct sequence of applying immersion oil is as follows:
b. Focus on the specimen using the 40x objective lens.
c. Tum the objectives to halfway between the 40x lens and the 100x lens.
a. Apply a drop of immersion oil directly onto the area Of the slide you were viewing.
d. Rotate the 100x lens over the microscope slide, and use the fine focus adjustment knob to sharpen the image
The 100x objective lens with oil immersion is the most powerful light microscope lens. Immersion oil is used because it has been formulated in such a way the same refractive index as glass. Thus light refraction does not occur when moving from glass to oil and vice versa.
Here is the rule of conduct on immersion oil:
1. Focus on the colored sample at low power.
2. Alternate the turret 40x, centering the desired section of the sample. Refocus very carefully to get the sample in focus as sharply as possible. Keep using this focus for the next steps.
3. IMPORTANT STEP
Alternate the turret partly, so that 40x and 100x objectives stand on both sides of the sample.
Carefully, put a small drop of oil on the slide in the center of the bright area.
Be sure to set a drop of oil straight over the area of the sample to be tested.
4. Spin the turret and let the 100x oil immersion objective touches the oil and clicks into place.
Find the right focus by moving the slide slightly left and right. Always work with fine focus. Observe the motion in the visual field, and aim attention at the object which moved.
5. Place a drop of oil on the second sample, and smooth along the slide laterally until it is in place if you work with more than one sample on a slide.
6. After you have applied oil to the specimen, don't turn to the 10x or 40x objectives again, or else oil can ruin the lower power objectives.
7. After finishing with your observation, clean everything up by wiping the 100x oil immersion objective carefully. Use lens paper to remove all oil. For the slide, clean the oil thoroughly with lens tissue. Cleanse stage also in case oil has spilled on it. Close the immersion oil container tightly again, and put it back in the drawer.
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what major characteristic makes metaphase i of meiosis different than metaphase of mitosis?
Answer: homologus pairs of chromosomes line up in the middle of the cell in Metaphase 1 of meiosis
Explanation:
i got it right
factors involved in soil formation include ________.
Answer:
1)parent material—minerals forming the basis of soil. living organisms—influencing soil formation.
2)climate—affecting the rate of weathering and organic decomposition.
3)topography—grade of slope affecting drainage, erosion and deposition
Explanation:
some amphibians and crayfish can withstand periods of dryness by burying themselves in mud. in which pond would they survive best?
Some amphibians and crayfish can withstand periods of dryness by burying themselves in mud in pond that has muddy or silty areas
Amphibians and crayfish that can survive periods of dryness by burying themselves in mud would likely survive best in a pond that has muddy or silty areas, where they can burrow into the sediment to escape from drying conditions.
In order for these animals to survive, the pond should have sufficient mud or silt deposits that are moist and provide protection from desiccation. Additionally, the pond should not be too deep, as amphibians and crayfish need to be able to reach the surface to breathe air. The water level in the pond should also be stable, so that the animals do not become exposed during periods of low water.
It's important to note that while these animals can withstand periods of dryness, they still require a source of water to survive and breed, so a pond with consistent water supply would be ideal for their survival.
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an autoimmune disease characterized by milk-white patches surrounded by areas of normal pigmentation is:
The autoimmune disease you are referring to is likely Vitiligo. It is a skin condition in which the skin loses its pigment, resulting in the appearance of white patches.
What is autoimmune disease?Nobody knows what causes autoimmune disorders. In most situations, a mix of variables is likely at work, such as genes, which may increase your risk of developing the condition. If you have the gene, the environment, such as a virus, can cause the disease (s). A strong immune system protects the body against sickness and infection. However, when the immune system fails, it assaults healthy cells, tissues, and organs. These attacks, known as autoimmune illness, can damage any region of the body, diminishing physical function and potentially becoming life-threatening.
Here,
The patches are surrounded by areas of normal pigmentation and can occur anywhere on the body. Vitiligo is caused by the destruction of melanocytes, the cells responsible for producing pigment in the skin.
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Which of these responses is NOT a response consistent with a drop in mean arterial pressure?increased thirstsecretion of aldosteronerelease of renin from the kidneysincreased filtration by the kidneys
Option 4) ,increased filtration by the kidneys is NOT a consistent with a drop in mean arterial pressure.
A blood pressure of less than 120/80 mmHg is considered normal. No of your age, you may make a daily effort to maintain a healthy blood pressure range.
Systemic arterial pressure, sometimes known as "blood pressure," is the term used to describe the pressure measured in the systemic circulation's big arteries in an individual. Systolic and diastolic blood pressure are separated by this value.
What is an arterial normal flow?The fast antegrade flow peaks during the systole, there is a brief reversal of flow during the early diastole, and there is sluggish antegrade flow during the late diastole. These three components make up the typical ("triphasic") Doppler velocity waveform.
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Full Question: Which of these responses is NOT a response consistent with a drop in mean arterial pressure?
increased thirstsecretion of aldosteronerelease of renin from the kidneysincreased filtration by the kidneysAlthough the cells of some prokaryotic species may adhere to one another within a matrix or form filaments, prokaryotes are fundamentally ________________.
Prokaryotes are inherently "unicellular," despite the fact that some of their cells may cling to one another inside a matrix or form filaments.
Prokaryotes are simple, single-celled organisms that lack a nucleus and other membrane-bound organelles. They are among the earliest forms of life on Earth and are characterized by their small size and simple structure.
Prokaryotic cells are capable of performing all cellular functions on their own and do not depend on specialized organelles to carry out these functions. They are also capable of reproducing asexually, making identical copies of themselves.
In some instances, prokaryotic cells may form clusters or chains, but they are still considered unicellular organisms. This is because each individual cell is able to carry out all the functions necessary for survival and reproduction independently, without relying on other cells within the group.
The formation of these clusters or chains may be a response to environmental conditions, such as changes in nutrient availability or exposure to stress, but the individual cells remain autonomous.
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Are new DNA strands being synthesized in the 5 to 3 direction from their DNA templates?
The new DNA strands are synthesized in the 5' to 3' direction from their DNA templates because the synthesis required a free OH group which is present at the 3'-end of the primer.
DNA stands for Deoxyribonucleic Acid. It is the major form of genetic material that encodes the information for all the traits of the living organism. The structure of DNA is composed of two strands of anti-parallel polarity that are joined together by the hydrogen bonding.
Primers are the small segments of single stranded RNA. These are very essential for the initiation of DNA synthesis because they consist of free 2'-OH group at the 3'-end of the strand. They are about 10-20 bases long.
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Why does parallel flow (concurrent exchange) limit the amount of oxygen that can be extracted from water?
The second generation phenotypes resulting from the cross of purebred monohybrid pollination will display a ratio of _____.
The second-generation phenotypes resulting from the cross of purebred monohybrid pollination will display a ratio of 3:1
The second-generation phenotypes resulting from a purebred monohybrid cross will display a 3:1 ratio. This ratio is determined by the Mendelian Law of Segregation, which states that for any gene, an organism has two alleles, one inherited from the mother and one inherited from the father. During meiosis, these alleles segregate independently, meaning that each offspring will have a unique combination of alleles. This results in a 3:1 ratio, with three of the offspring exhibiting the dominant trait and one exhibiting the recessive trait. This ratio can be used to predict the outcome of a cross between two purebreds, allowing breeders to plan accordingly when attempting to create a certain phenotype.
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PLEASE ANSWER QUICK!!
Answer:
1, 2 and 4
Explanation:
I think they are right but im not sure, i hope it help
the categories of biogeochemical cycles include all of the following except: a. hydrologic cycle b. carbon cycle c. nitrogen cycle d. green plant cycle
The categories of biogeochemical cycles include all of the following except green plant cycle
The correct answer is d. green plant cycle.
The categories of biogeochemical cycles include:
a. Hydrologic cycle: This cycle refers to the movement of water through the Earth's systems, including the atmosphere, land, and oceans. Water evaporates from the surface, rises into the atmosphere, condenses to form clouds, and then falls back to the surface as precipitation.
b. Carbon cycle: This cycle refers to the movement of carbon atoms through the Earth's systems, including the atmosphere, oceans, and land. Carbon dioxide is taken up by plants during photosynthesis, and then released back into the atmosphere through respiration, decay, and combustion of fossil fuels.
c. Nitrogen cycle: This cycle refers to the movement of nitrogen atoms through the Earth's systems, including the atmosphere, oceans, and land. Nitrogen is converted into usable forms by bacteria in the soil, and then taken up by plants and animals. After death and decay, nitrogen is returned to the soil where it can be used again.
The "green plant cycle" is not a recognized biogeochemical cycle. Biogeochemical cycles describe the movement of elements and compounds through the Earth's systems, not the processes associated with specific organisms, such as plants.
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can someone help me with this please and thank you
Which radioactive element is best suited for determining age of wooden tools used by prehistoric humans during the last ice age?
Carbon-14 is the radioactive element which will be best suited for determining the age of the wooden tools which were used by the prehistoric humans during the last ice age.
Radiocarbon dating which is also referred as carbon dating or the carbon-14 dating is a method which is used for the determination of the age of a particular object which contains the organic material by utilizing the different properties of the radiocarbon which basically a radioactive isotope of carbon.
Over time this carbon-14 happens to decay in predictable ways. With the help of the radiocarbon dating researchers can use this decay like a clock which allows these scientist to look into the past and be able to determine the absolute dates of everything ranging from wood to food, poop, pollen, and even dead animals and humans.
Therefore, carbon-14 dating can be used for determining the age of the wooden tools which were used by the prehistoric humans during the last ice age.
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the upper-right abdominopelvic located beside the epigastric region: group of answer choices right inguinal region right lumbar region umbilical region right hypochondriac region hypogastric region
The upper right abdominopelvic that located beside the epigastric region is hypochondriac region (option 4)
The two superolateral sections of the abdomen that are located on either side of the epigastric region are known as the hypochondriac regions. The word "chondriac" means cartilage and refers to the cartilage of the ribs. The prefix "hypo" means below or under. Consequently, the hypochondriac area is found below the ribs. Two upper, right and left, zones that cross the abdomen and are below the rib cartilage. the area above the stomach, or epigastric. Two middle, right and left sections of the back, close to the waist. region around the umbilicus or navel.
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although they both provide tensile strength and resistance to compression, the extracellular matrix of animals and cell walls of plants differ because the cell walls of plants:
Although both provide tensile strength and resistance to compression, the ECM of animals and cell walls of plants differ because the cell walls of plants: are able to prevent osmotic lysis, are thicker and more rigid.
ECM is the network of macromolecules outside the cells. It is a kind of connective tissue. The composition of ECM consists of glycoproteins like collagen, proteoglycans, and fibronectin. The ECM helps in cell attachment, communication, cell growth, etc.
Cell wall is the outermost layer of cells present in the plant cells. It is a tough and flexible layer. It helps in structural support as well as protection. The cell wall is also involved in building the turgor pressure.
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Your body’s ability to deliver oxygen to your cells through your respiratory and circulatory system is an example of which of the following ?
Hypothesis
Reductionism
Emergent property
Ecosystem
Which one^!!
one-directional blood flow is due to ______________, which are located throughout the heart and veins.
The one-directional flow of blood in the circulatory system is due to the presence of specialized valves, which are present throughout the heart and veins. These valves prevent backflow of blood and ensure that blood flows in only one direction, thereby contributing to the efficient and effective delivery of oxygen and nutrients to the body's tissues.
The one-directional flow of blood in the circulatory system is an essential feature that ensures efficient and effective delivery of oxygen and nutrients to body tissues. This process is primarily due to the presence of specialized valves located throughout the heart and veins, known as "valves of the heart" and "venous valves."
Valves of the heart are flap-like structures located in the chambers of the heart, which ensure that blood flows in only one direction. The heart has four chambers: the right and left atria, and the right and left ventricles. The atrioventricular valves (AV valves) separate the atria and ventricles and prevent backflow of blood into the atria during ventricular contraction. The tricuspid valve is located between the right atrium and ventricle, while the mitral valve is located between the left atrium and ventricle. The semilunar valves, on the other hand, are located between the ventricles and the pulmonary artery and aorta, respectively. These valves prevent the backflow of blood from the arteries into the ventricles during ventricular relaxation.
Venous valves, on the other hand, are present in the veins of the body and ensure that blood flows in only one direction towards the heart. The venous system returns deoxygenated blood back to the heart. These valves prevent backflow of blood as it flows through the veins, which can occur due to the effect of gravity or changes in pressure. They are particularly important in the lower extremities, where blood flow against gravity is more challenging.
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some covid19 viral particles can infect human host cells faster than other covid19 viral particles which requirement of natural selection does this correspond to
The name "corona" comes from the Latin word for "crown," and coronaviruses (CoVs) are positive-stranded RNA(+ssRNA) viruses that resemble a crown when viewed under an electron microscope.
This is because the envelopes of these viruses include spike glycoproteins. SARS-CoV-2 virus-borne coronavirus disease (COVID-19) is an infectious illness. Most infected individuals may only experience mild to moderate respiratory symptoms and will recover without the need for special care.After replication and sub-genomic RNA synthesis, the structural proteins S, E, and M of the virus are translated and placed into the endoplasmic reticulum (ER). The secretory route transports these proteins to the ERGIC, or endoplasmic reticulum-Golgi intermediate compartment (135, 136).
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The atmosphere of Mars is compositionally similar to that of Venus. It is primarily composed of carbon dioxide. However, its atmosphere is only a tiny fraction of the mass of Venus’s atmosphere. Which of the following can you deduce from this information?
An argument that one can deduce from the given information is that the atmosphere of mars is extremely lower than that of venus with respect to the surface area.
What is an Atmosphere?An atmosphere may be defined as a type of layer that is significantly composed of numerous gases that surround any celestial body or planets like earth, mars, etc.
The atmosphere of Venus is very thick, dry, and hot, while the atmosphere of mars is very thin and cold. And yet the same processes are happening on both planets." Both Venus' and Mars' atmospheres are about 95% of carbon dioxide.
Both types of planets have beams of electrically charged particles flowing out of their atmospheres. The particles are being accelerated away by interactions with the solar wind, a constant stream of electrically charged particles released by the Sun.
Therefore, an argument that one can deduce from the given information is that the atmosphere of mars is extremely lower than that of venus with respect to the surface area.
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How do multicellular organisms get nutrients?
It takes in food from the water and digests it in organelles known as food vacuoles. Nutrients from the food travel through the cytoplasm to the surrounding organelles, helping to keep the cell, and thus the organism, functioning.
jerome also had blood work done to confirm the mi. the presence of troponin, or cardiac enzymes such as ck-mb, are a positive indicator of an mi. why is their presence at higher levels in the blood indicative of an mi?
These proteins are normally found inside cardiac muscle cells and if present in the blood indicate damage to the cells.
Cardiac enzyme studies measure the levels of enzymes and proteins that are linked with injury of the heart muscle. These include the enzyme creatine kinase (CK), and the proteins troponin I (TnI) and troponin T (TnT). Low levels of these enzymes and proteins are normally found in our blood, but if our heart muscle is injured, such as from a heart attack, the enzymes and proteins leak out of damaged heart muscle cells, and their levels in the bloodstream rise.
Thus, these proteins are normally found inside cardiac muscle cells and if present in the blood indicate damage to the cells.
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The cell wall in bacteria is primarily composed of:_________
The cell wall in the bacteria is primarily composed of peptidoglycan.
Peptidoglycan is a complex polymer which is made up of repeating units of N-acetylglucosamine as well as N-acetylmuramic acid, which is linked together by short peptides. The peptidoglycan layer provides mechanical stability as well as protection against osmotic pressure for the bacterium.
In some bacteria, such as Gram-negative bacteria, the peptidoglycan layer is surrounded by an outer membrane which is composed of lipopolysaccharides as well as phospholipids, which provides an additional barrier to protect the bacterium and helps to regulate the transport of the molecules in and out of the cell.
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