Which of the following are external regulators of the cell cycle?
A) cyclins
B) growth factors
C) mitotic spindles
D) cancer cells
Ans: B) growth factors
Biology & Microbiology
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Four of the five answers listed below are produced by the same lobe of the pituitary. Select the
exception. a. antidiuretic hormone b. prolactin c. corticotropin d. somatotropin e. luteinizing hormone
Biology & Microbiology
Which microorganism requires the low pH inside a phagolysosome in order to reproduce?
a. Haemophilus influenzae b. Coxiella burnetii c. Streptococcus pyogenes d. Streptococcus pneumoniae
Biology & Microbiology
Which type of plankton are tiny and aquatic heterotrophs?
A. Zooplankton B. Phyplankton C. Tryplankton D. Metaplankton E. Holoplankton
Biology & Microbiology
Unlike white blood cells, mature red blood cells lack a(n) ________
Fill in the blank(s) with correct word
Biology & Microbiology