From what is the lipid-containing outer envelope surrounding the viral capsid of many animal viruses derived?
A) the outer membrane of the chloroplast
B) the outer mitochondrial membrane
C) the nuclear envelope
D) the plasma membrane
E) the lysosomal membrane
Ans: D) the plasma membrane
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What are the monomers of proteins?
A. Glucose B. Fatty acids C. Nucleic acids D. Amino acids
Flowering can be regulated by light, temperature, gibberellin levels, or internal factors. What do all of these different flowering pathways have in common?
A. All four pathways result in a decrease in LEAFY (LFY) expression, which induces flowering. B. All four pathways result in an increase in CONSTANS (CO) expression, which induces flowering. C. All four pathways result in an increase in LEAFY (LFY) expression, which induces flowering. D. All four pathways result in a decrease in CONSTANS (CO) expression, which induces flowering.
The tertiary structure of a polypeptide refers to
A) its size. B) the presence of pleated sheets. C) the amino acids of which it is made. D) the overall three-dimensional structure.
________ enzymes catalyze the hydrolysis of beta (1-4) linkages between successive D-glucose residues of cellulose.
Fill in the blank(s) with the appropriate word(s).