Identify the structure indicated by #5:
A. epididymis
B. seminal vesicle
C. testis
D. vas deferens
E. prostate gland
B
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. A problem with the action or production of this substance leads to both type I and type II diabetes mellitus.
A. glucagon B. growth hormone C. thyroid hormone D. insulin E. cortisol
Differences in receptive fields in the retina
a. help prevent the brain from being bombarded with confusing signals. b. account for color differentiations. c. account for acuity differences. d. invert the images on the retina. e. allow for perception of light intensity.
In what way do mitochondrial mutations influence phenotype?
A) Cells with mutated mitochondrial DNA cannot undergo anaphase. B) They affect the production of ribosomes and protein synthesis. C) Mutated mitochondrial DNA has no effect on phenotypes. D) They cause the nuclear DNA to segregate ineffectively. E) They affect the production of ATP generated through cellular respiration.
If a 2200 kg whale were to die, how much of it would be consumed before it reaches the organisms that live at the deep sea bottom?
A. 2178 kg B. 420 kg C. 1200 kg D. 22 kg E. 220 kg