Terminally differentiated cells such as neurons are in the phase of the cell cycle known as ________

Fill in the blank with correct word.


Answer: G0

Biology & Microbiology

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Ribosomes are very old structures, found in all organisms (except viruses), from bacteria to humans. As a result, molecular taxonomists are looking at relationships based upon which rRNA sequence(s)?

A) 16S B) 18S C) 30S D) both choices A and B E) all of the above

Biology & Microbiology

Who am I? I am alive at maturity and have primary cell walls that are especially thickened at the

corners. a. sclerenchyma b. collenchyma c. parenchyma d. phloem e. xylem

Biology & Microbiology

Which of the following is a purpose for the presence of hydrochloric acid in the stomach?

a. It folds proteins. b. It activates amylase. c. It emulsifies fats. d. It kills bacteria.

Biology & Microbiology

__________ moves food down the esophagus and

through a __________ (a ring of muscle that can close off an opening) into the stomach. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology