Which of the following functions is not directly provided by the human respiratory system?

A. olfaction
B. gas exchange between the lungs and the atmosphere
C. production of sounds
D. transport of oxygen to the cells of the body
E. maintaining blood pH homeostasis


D. transport of oxygen to the cells of the body

Biology & Microbiology

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Transcribed DNA sequences that are removed during mRNA processing are called _____________________

Fill in the blank(s) with correct word

Biology & Microbiology

The use of ____________________ or ____________________ for stem cell therapies offers alternatives to the destruction of human embryos that occurs when embryonic stem cells are harvested

Fill in the blank(s) with correct word

Biology & Microbiology

If you were presented with a tissue sample that contained long rows of cells surrounded by parallel

bundles of collagen and elastin fibers, that tissue would most likely be

a. bone tissue. b. fibrous connective tissue. c. cartilage. d. blood. e. adipose tissue.

Biology & Microbiology

Shine–Dalgarno sequences are present in mRNAs of

A) prokaryotes. B) eukaryotes. C) humans. D) plants. E) both prokaryotes and eukaryotes.

Biology & Microbiology