Which of the following statements regarding the flow of genetic information is false? Ribosomes function as factories that coordinate the functioning of mRNA and tRNA. Transcription occurs in the cytoplasm of eukaryotic cells. Polypeptides form proteins that determine the appearance and function of the cell and organism. Eukaryotic mRNA is transported from the nucleus to the cytoplasm. The sequence of nucleotides in an mRNA determines the sequence of amino acids in a protein.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

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

How can you tell the difference between rough er from smooth er?