The enzyme that synthesizes short sequences of RNA during the process of DNA replication is:

What functional groups are on either end of a polypeptide?

Which of the following best describes the cycle between ATP and ADP in cellular energy transfer?

Where does the majority of the new membranes need by cells as they grow and mature come from within the cell?

Whenever a molecule loses electrons (and corresponding protons) during metabolic reactions such as respiration it is said to have been:

Aquaporins are a type of

The pedigree below traces the inheritance of alkaptonuria, an autosomal, recessive biochemical disorder. Affected individuals are unable to metabolize a substance called alkapton, which colors the urine and stains body tissues. Which of the following statement is accurate?

Which of the following statements is true about Cri du Chat syndrome?

Which of the following statements accurately describes trisomy and monosomy?

A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. Which of the following is a possible genotype for the mother?