Chromatin is made up of

a. DNA only.
b. DNA, RNA, and protein.
c. DNA and RNA.
d. RNA and protein.
e. DNA and protein.


E

Biology & Microbiology

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At pH 7, a peptide with the sequence G-M-G-V-S-D-P-D-A has a net charge of:

A. -3 B. -2 C. -1 D. +1 E. +2

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Fungi and animals share a more recent common ancestor than do fungi and plants.

Answer the following statement true (T) or false (F)

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Genetic engineering-related bioethical issues include:

A. Artificial insemination B. Gene therapy C. In vitro fertilization D. Stem cell research E. B and D

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Short, bristle-like structures that extrude from the cell surface are called

A) flagella. B) pili. C) mating bridges. D) fimbriae. E) cilia.

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