There are 64 codons and 20 amino acids. which of the following is true.
a: several different codons can specify the same amino acid.
b: each codon specifies a different amino acid
c: some amino acids have no link to a codon
d: each amino acid is specified by only one codon

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.