A human embryo does not experience apoptosis. What unusual features would be found on the
newborn? What will be an ideal response?
The newborn would still possess features that would normally have been lost by apoptosis. Most
conspicuously, this would include webbing between the fingers and toes, and a small tail.
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How are thermoreceptors involved in homeostasis?
A. They have a role in blood pressure regulation. B. They play a role in regulating body temperature. C. They control electrolyte balance of the body. D. Once these signals are processed, the brain sends signals to avoid the pain.
Which of the following functions as a biological catalyst?
A) Energy-carrier molecule B) Substrate C) Enzyme D) Amino acid E) Steroid
Given the problems related to fossilization listed in the text, which of these creatures would be least likely to be successfully fossilized?
A) clam B) turtle C) rose flower D) rhinoceros
When the pancreas detects excess glucose, it releases the
a. enzyme amylase. b. monosaccharide glucose. c. hormone insulin. d. hormone glucagon.