Each of the following is an intracellular messenger except Each of the following is an intracellular messenger except PDGF. cAMP. calcium ions. IP3. DAG.

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

Astudent completed a lab report. which correctly describes the difference between the "question" and "hypothesis' sections of her report? "question states what she is asking, and "hypothesis" states the result of her experiment "question" states what she is asking, and "hypothesis" states what she thinks the answer to that question is in 'if. then because" format. "question" describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. "question" describes what she is trying to find out, and "hypothesis" states any additional information or prior knowledge about the question

Lupe is a carrier for color blindness. her husband clifford is colorblind. if lupe and clifford have four children, what's the probability of a boy being colorblind?