Which of the following in NOT true of the nuclear envelope? ()
A. The nuclear envelope is exactly like other cellular membranes.
B. The nuclear envelope separates the genetic material from the cytoplasm.
C. The nuclear envelope is a pair of concentric membranes.
D. The nuclear envelope is studded with pores.
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Which structure is found ONLY in animal cells? ()
A. cell wall
B. vacuoles
C. centrioles
D. chloroplasts
The process of translation involves ()
A. messenger RNA
B. transfer RNA
C. ribosomal RNA
D. all of the above
Which of the following occurs during complementary base pairing? ()
A. bonds form between uracil and thymine
B. bonds form between cytosine and guanine
C. bonds break between phosphates and sugars
D. bonds break between amino acids and phosphates
All cells have all of the following except ()
A. plasma membrane
B. genetic material
C. cytoplasm
D. cell wall
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