The infectious form of Chlamydia trachomatis is a(n)

A. reticulate body.
B. elementary body.
C. primary element.
D. core body.


B.

Biology & Microbiology

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Association of histone H1 with linker DNA is required to form ____

a. heterochromatin b. the 10-nm chromatin fiber c. nucleosomes d. the solenoid e. euchromatin

Biology & Microbiology

This part of the brain plays an important role in

reward-based learning and is part of the brain stem. This part of the brain is the

a. pons. b. medulla oblongata. c. midbrain. d. cerebellum. e. cerebrum.

Biology & Microbiology

Which of the following organisms grow on higher plants to produce truffles?

A) euglenids B) kinetoplastids C) mycorrhizae D) lichens E) water molds

Biology & Microbiology

Endocytosis and exocytosis are means of transport used by

A. bacteria. B. eukaryotes. C. archaea. D. all prokaryotes. E. nothing; no cells use both processes.

Biology & Microbiology