What is the likelihood that the progeny of IV-3 and IV-4 will have wooly hair?
A) 0%
B) 25%
C) 50%
D) 75%
E) 100%
Ans: C) 50%
Biology & Microbiology
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The endosymbiont hypothesis suggests that the mitochondria of eukaryotic cells are descended from captured
a. cyanobacteria. b. archaebacteria. c. aerobic bacteria. d. chemoautotrophic bacteria. e. eukaryotic algae.
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Which of the following plant cells has a companion cell?
a. tracheids b. vessel elements c. sieve elements d. sclereids e. fibers
Biology & Microbiology
The fibrinolytic proteins of the blood are formed mainly by the
a) kidneys b) lungs c) bones d) liver e) pancreas
Biology & Microbiology
Each NADH that enters the electron transport system gives rise to ________ ATP.
A. 2 B. 38 C. 36 D. 3 E. 24
Biology & Microbiology