The organelle featured in Figure 4-3:
a. is present in a few prokaryotes.
b. is the major site of protein synthesis in the cell.
c. plays a vital role in packaging materials to be secreted.
d. plays a central role in energy metabolism.
e. is located in the nucleus
D
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Which one of the following is NOT one of the general classes of macromolecules that are necessary for cellular function?
A. Nucleic acids B. Proteins C. Ions D. Carbohydrates E. Lipids
Compared to the mitochondrial intermembrane space, the mitochondrial matrix could be described as having ____ pH
and _____ pyruvate concentration.
a. a lower; higher b. a higher; higher c. a lower; lower d. a higher; lower e. the same; the same
One nautical mile equals one degree of latitude
Indicate whether the statement is true or false
Which nucleotide replaces thymine in a nontemplate strand of mRNA?
a. Uracil b. RNA polymerase c. Guanine d. Adenine