What can be said about peptide hormones?
A. They bind membrane receptors to elicit a response on target cells.
B. They are water-soluble and bind membrane receptors to elicit a response on target cells.
C. They are lipid-soluble.
D. They are generally water-soluble.
E. They bind intracellular receptors to elicit a response on target cells.
Answer: B
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What is the directionality of the DNA molecule?
A. front to back B. top to bottom C. 5' to 3' D. 3' to 5' E. all DNA molecules are different in their directionality
The fluid portion of the blood is called
a. plasma. b. formed elements. c. interstitial. d. extracellular matrix. e. exocrine.
Beginning with BSL-2 and beyond, which type of equipment must be accessible for decontamination of biohazardous waste generated in the lab?
A) Refrigerator B) Incubator C) Sink for handwashing D) Safety shower E) Autoclave
The double-strands of DNA result from the formation of ________ between the bases
A) covalent bonds B) peptide bonds C) ionic bonds D) hydrogen bonds E) ??1,4 bonds