Release of what protein is directly subject to negative feedback inhibition when blood volume rises?
A. angiotensinogen
B. aldosterone
C. angiotensin II
D. renin
E. atrial natriuretic hormone
Answer: D
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Which of the following mechanisms are causal explanations for bird song?
A. Young males learned their song from their fathers. B. Songs are used by males to attract a mate. C. The ritualization of the vocalization became species specific. D. Air passing through a bird's specialized singing organ, the syrinx, vibrates the surrounding organs.
What is telomerase?
A. an enzyme that adds bases back to the tip of chromosomes every time a cell divides B. a chemical that allows the telophase stage of mitosis to proceed C. a chemical involved in RNA synthesis D. an enzyme that inhibits the formation of small blood vessels that feed a tumor E. a protein found in abundance on colon cancer cells
Crossing over occurs during _________________.
A. anaphase I B. metaphase II C. prophase I D. prophase II E. telophase II
Which description(s) correspond to class Prokaryote in order to test your understanding of the characteristics of prokaryotes, eukaryotes, and viruses.
> Must be viewed with an electron microscope > Acellular particle > Size range: 10-200nm > Cell type that lacks a nucleus > Contains a nucleus and other membrane-bound organelles > Size range: 1-10?m