Highly conserved SH2 domains in various proteins play a role in coordinating their activities by
a) Preventing degradation of the proteins by the proteasome
b) Functioning as sites of phosphorylation on the protein
c) Serving as kinase domains that act on other proteins
d) Bringing different proteins close together to favor certain signaling events
Answer: d) Bringing different proteins close together to favor certain signaling events
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All of the following might bring about the removal or destruction of bacteria by binding to antigens on bacterial surfaces EXCEPT ________.
A. antitoxins B. complement-fixing antibodies C. agglutinins D. opsonizing antibodies
What are rhizomes, tubers, corms, and stolons examples of?
a. modified leaves b. modified stems c. modified bulbs d. modified flowers
The process by which protein conformation is lost or broken down is:
a. dehydration synthesis b. translation c. denaturation d. hydrolysis e. protein synthesis
The human genome comprises:
A) a homologous pair of chromosomes. B) 23 chromosomes. C) 46 pairs of chromosomes. D) 2 X chromosomes. E) 23 pairs of chromosomes.