Formation of peptide bonds between amino acids to build a polypeptide would be called:
A. anabolism.
B. phosphorylation.
C. fermentation.
D. exergonic.
E. glycolysis.
Answer: A. anabolism.
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One can inject dyes of different sizes into a liver cell and determine those molecules that can readily pass through gap junctions. What sized molecules can pass through gap junctions?
A. <1,000 Daltons B. >1,000 Daltons, but <1,500 Daltons C. >10,000 Daltons D. >5,000 Daltons, but <10,000 Daltons E. >1,500 Daltons, but <5,000 Daltons
Answer the following statements true (T) or false (F)
1.The hypothalamus is both part of the central nervous system and part of the endocrine system. 2.ADH has roles in both homeostatic control of water in the blood and in connecting sexual and social behavior. 3.ADH receptors in an appropriate part of the brain lead to rewards, which enhance social behavior in voles. 4.Researchers Pitkow and Young observed altered kidney function and social behavior in voles with extra ADH. 5.Seasonal affective disorder can be treated with supplemental lighting.
Four of the five organisms listed below belong to the same monophyletic group.
a. Amoeba proteus b. euglenoids c. plasmodial slime molds d. cellular slime molds e. Entamoeba histolytica
Bacterial __________ cause systemic symptoms such as fever, whereas bacterial __________ cause
more specific maladies. a. phages; prophages b. prophages; phages c. endotoxins; exotoxins d. exotoxins; endotoxins e. exotoxins; phages