Which of the following is NOT a characteristic
of RNA?
a. single stranded
b. ribose sugar
c. nucleic acid
d. bases are A, T, C, G
e. phosphates attached to sugars
D
Biology & Microbiology
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Mendel's laws derive from
A) mitosis. B) meiosis. C) processes unique to pea plants. D) calculus and algebra.
Biology & Microbiology
Plasma cells
A. secrete antibodies. B. function in allergic reactions. C. suppress immune reactions. D. activate B cells and other T cells. E. directly destroy target cells.
Biology & Microbiology
Large spherical cells of cyanobacteria that are able to fix atmospheric nitrogen are referred to as ________.
A. microcysts B. heterocysts C. oocysts D. nitrocysts
Biology & Microbiology
A botanist examines two plants. Plant A has large colorful petals; plant B has extremely tiny white flowers. Which one is most likely animal pollinated?
A. Plant A B. Plant B
Biology & Microbiology