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Protein requirements change at different life stages due to varying needs for growth, maintenance, and repair of body tissues. Infants, children, and adolescents require more protein for growth and development, while older adults may need slightly more protein to maintain muscle mass. Pregnant or breastfeeding women also have increased protein needs to support fetal growth and milk production.
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Which metrics is used for tracking change in requirments?
The metric used for tracking change in requirements is called the Requirements Change Index, sometimes called the Requirements Stability Index.
How a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction?
A change in the DNA sequence, such as a point mutation, can result in a different amino acid being incorporated into the protein during translation. This can alter the protein's structure, possibly affecting its function or leading to improper folding. In some cases, the mutation may introduce a premature stop codon, resulting in a truncated and non-functional protein.
Why are Myostatin mutations nonsynonymous?
Myostatin mutations are nonsynonymous because they result in a change in the DNA sequence that leads to the production of a different amino acid in the myostatin protein. This change in the protein's amino acid sequence can alter its function or structure, leading to physiological consequences such as increased muscle mass.
What is the Folding of proteins?
Protein folding determines the shape of the protein, and thus what it does, because it is the shape of the protein which enables it to perform its function. For example, enzymes need to have exactly the right shape to fit with the molecules they are working with to catalyze them. Also, hemoglobin is specifically folded with four pocket like areas to allow oxygen to attach to it. The shape of the protein is specific to the function that it is performing, and is different for each protein. If there is even a slight change in the make up of the protein, or a mutation (the amino acids are messed up) then the protein will fold differently. Even a slight change in the composition of the protein can disable the protein from properly performing the function which it is meant to do.
What is a change in the DNA sequence that also changes the protein in codes for?
A change in the DNA sequence that alters the protein it encodes is called a mutation. This can occur through various types of mutations, such as point mutations, insertions, or deletions, which can lead to changes in the amino acid sequence of the resulting protein. Such alterations can affect the protein's structure and function, potentially leading to diseases or phenotypic variations. Examples include sickle cell disease, where a single nucleotide change results in a different amino acid in hemoglobin.
What are the protein requirements for a beef cow?
Protein requirements change from cow to cow, what level of growth or production that they are at. Protein is available to cattle through feedstuffs and the microorganism that grow in the rumen. Protein levels are not the same for each cow, please see the below link for further information.
What are the colors on albustix strips?
Albustix strips typically change colors from yellow to green to blue in the presence of protein in urine. This color change corresponds to different levels of protein concentration in the urine sample.
Which metrics is used for tracking change in requirments?
The metric used for tracking change in requirements is called the Requirements Change Index, sometimes called the Requirements Stability Index.
How a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction?
A change in the DNA sequence, such as a point mutation, can result in a different amino acid being incorporated into the protein during translation. This can alter the protein's structure, possibly affecting its function or leading to improper folding. In some cases, the mutation may introduce a premature stop codon, resulting in a truncated and non-functional protein.
Why do hygiene requirements change as you get older?
Your hormones and the chemicals that your body produces naturally, change with age. This causes your needs for different nutrients to differ with age
Why must protein synthesis be accurate?
Because each amino acid put into the growing polypeptide chain that will become a protein has an R group with different binding characteristics that can change the shape of the protein, thus the action of the protein, if not accurately placed for that particular protein in it's tertiary form.
How can a mutation in DNA base sequence cause a change in a protein?
dna in a cell needs protein and chromosomes.
What denatured proteins?
Protein molecules change shape when you heat them. Then energy from cooking breaks some of the chemical bonds in the protein and this allows the molecule to take a different shape. This gives the food a more edible texture. The change is irreversible. It is called denaturing.
Changing one amino acid with a protein could change what about the protein?
It will depend on how different the amino acid is to the one it replaced. If the structure and/or charge is quite different, a change of one amino acid can change the entire 3D structure of the protein. This will affect the proteins function.
What change protein?
liver...
What is a missense protein?
A missense protein is a protein translated due to a change in a single amino acid.
How do mutations affect translations?
A frameshift mutation may cause a change in the codon sequence, specifically the 3-base sequence which is responsible for coding a specific amino acid. A different protein, a non-functional one, or no protein at all may be the result of this change.
