Infolding of the cellular membrane has led to the development of the 

A. chloroplast
B. mitochondria
C.  nuclear envelope
D. nucleolus
E. ribosome


C.  nuclear envelope

Biology & Microbiology

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Which of the following genera of the Planctomycetales have a stalk as part of their mechanism for attachment to surfaces?

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Which vitamin is fat soluble?

a. D b. B1 c. B12 d. B6 e. C

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The hypodermis is composed of ____

blood vessels ? insulation oil glands ? insulation a. adipose and nervous tissues b. connective and adipose tissues c. blood and lymphatic vessels d. hair follicles and sweat glands e. sebaceous and sweat glands

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Angiotensinogen is synthesized by what organ?

A) pituitary gland B) kidney C) bone marrow D) adrenal gland E) liver

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