A shared characteristic of eukaryotes and prokaryotes is __________.

a. a cell membrane
b. a nucleus
c. membrane-bound organelle
d. a well-developed cytoskeleton
e. an ability to change shape as they feed, move, or grow


Answer: a. a cell membrane

Biology & Microbiology

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Which of the following is/are MHC class I genes?

A) HLA-A B) HLA-B C) HLA-C D) HLA-A, HLA-B, and HLA-C

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The amino acids in a polypeptide chain are connected by:

A) covalent bonds. B) glycosidic bonds. C) peptide bonds. D) both a and c.

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How does base excision repair differ from nucleotide excision repair?

What will be an ideal response?

Biology & Microbiology

Most cancers begin as an abnormal cell growth or tumor that is referred to as ____ , or not cancerous, and usually does not grow larger.

Fill in the blank (s) with the appropriate word(s).

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