The size of a eukaryotic ribosome is ________.

A. 70S
B. 40S
C. 80S
D. 50S
E. 30S


Answer: C

Biology & Microbiology

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Which one of the following nitrogenous bases is not found in an RNA molecule?

A) adenine B) guanine C) thymine D) uracil

Biology & Microbiology

In plant cells, the first sign of cytokinesis is the formation of a cell plate instead of a cleavage furrow. The cell plate is formed because plant cells

A. have a cell wall. B. don't divide after mitosis, but become one larger cell with multiple nuclei. C. have a nucleus. D. don't have a cell membrane. E. All of the answer choices are correct.

Biology & Microbiology

The first animals to show cephalization have several characteristics. Which of the following is NOT one of them?

a. These animals were triploblastic. b. These animals had a proboscis. c. These animals were in phylum Platyhelminthes. d. These animals are placed in the group Lophotrochozoa. e. These animals followed the protostome pattern of embryonic development

Biology & Microbiology

In the cytoplasm, microtubules serve as tracks along which vesicles and other organelles move due to

What will be an ideal response?

Biology & Microbiology