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How does the hemoglobin in one organism have a different chemical structure from the hemoglobin in another organism?
Each organism's individuality haemoglobin is different in the sense that it varies based on composition, and each organism has a separate cell life based composition, affecting the haemoglobin.
How is the biochemical evidence of protein comparisons used in determining evolotionary history?
When the protein structure changes there has been evolution in the organism
How can a mutation in a gene affect the trait that an organism has?
A mutation in a gene can alter the functioning of the protein it codes for, leading to changes in the trait expressed by the organism. This can result in new traits, loss of function, or altered function of the protein, impacting the organism's phenotype.
How mutations lead to genetic variations?
Mutations lead to genetic variation by producing random changes in an organism's genetic code. This causes a different protein to be produced, or none at all. Usually has a negative effect, due to an important protein, e.g. an enzyme, not being produced, so the organism cannot do a certain thing (e.g. digest fats), occasionally makes an organism better able to survive (positive effect). This means that it is more likely to survive and pass the mutated (beneficial) gene on to it's offspring.
How are mutations expressed?
Mutations are expressed through changes in DNA sequence, leading to altered protein production, which can result in various phenotypic changes. These changes can be beneficial, harmful, or neutral depending on the specific mutation and its effect on the organism. Mutations are ultimately reflected in an organism's traits and characteristics.
What would least likely result from a chromosomal change?
A chromosomal change is least likely to result in a minor or insignificant change in an organism's phenotype if the alteration occurs in non-coding regions of DNA or if it involves redundancy in the genetic code. Such changes might not affect gene expression or protein function. Additionally, some chromosomal changes, like certain types of duplications or deletions, can lead to neutral variations that do not significantly impact the organism's overall fitness or development.
Can an organism's DNA expression change throughout its life?
Yes, an organism's DNA expression can change throughout its life due to factors such as environmental influences, aging, and genetic mutations. This can result in variations in gene activity and protein production, leading to different traits and characteristics in the organism over time.
How does different alleles lead to different characteristics?
Different alleles result in different characteristics because they encode slightly different versions of a gene, leading to variations in the protein produced. These variations can affect the function or expression of the gene, ultimately influencing the traits or characteristics of an organism.
What happens when a protein sequence changes?
When a protein sequence changes, it can impact the structure and function of the protein. This can result in altered protein-protein interactions, changes in enzymatic activity, or disruption of protein folding. In some cases, protein sequence changes can lead to diseases or abnormalities in cellular processes.
What is the definition of chromosome mutation?
A chromosome is an organized structure of DNA and protein that is found in cells.In biology, mutations are changes to the nucleotide sequence of the genetic material of an organism.
A change is the sequence of amino acids is?
A change in the sequence of amino acids in a protein can alter its structure and function, potentially leading to changes in biological activity or stability. This alteration can impact the protein's interactions with other molecules and may result in functional consequences that affect the cell or organism. Slight changes in amino acid sequence can sometimes lead to significant changes in protein structure and function.
What range reflects the RDA for protein?
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