Which of the following is NOT true?
a. Acids donate hydrogen ions.
b. In a neutral solution, the amounts of hydrogen
and hydroxyl ions are equal.
c. Salts have no function in cells.
d. Bases accept hydrogen ions..
e. .7.0 represents a neutral pH.
Answer: c
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Which of the following is false about dynamic instability of a microtubule end?
A) During a growth phase, assembly of GTP-tubulin is faster than incorporated GTP is hydrolyzed, forming a GTP-cap. B) During a catastrophe phase, hydrolysis of incorporated GTP is faster than GTP-tubulin addition, forming a GDP-cap. C) During rescue, GTP-tubulin assembles fast enough to reestablish a GTP cap. D) Each end of a microtubule can undergo dynamic instability independently. E) A, B, C, and D are true.
The process in which photosynthetic bacteria were engulfed by a large cell and formed chloroplasts is called ________
Fill in the blank(s) with correct word
Scar formation is defined as:
a. primary union b. regeneration c. mitotic cellular repair d. fibrous connective tissue repair
Small doses of antimicrobial agents are very effective in treating the late stages of Borrelia infection because most of the symptoms result from immune responses.
Answer the following statement true (T) or false (F)