Do all cells of the body express the same genes?
A. No, since they don't all need to make the same proteins
B. No, since they don't contain the same DNA
C. Yes, since they all contain the same DNA
D. Yes, since they all make the same proteins
Answer: A
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____________________ T cells secrete interleukins that activate other cells in both the cell-mediated and antibody-mediated immune responses
Fill in the blank(s) with correct word
Gymnosome pteropods are primarily
a. herbivores. b. carnivores. c. detritovores. d. omnivores. e. filter feeders.
When glucose (C6H12O6) is oxidized to CO2 and water in cellular respiration, approximately 40% of the energy content of glucose is transferred to
A) the citric acid cycle. B) glycolysis. C) ATP (adenosine triphosphate). D) heat. E) oxygen (O2).
What would happen if the trachea did not have cartilaginous rings?
A) The trachea would collapse. B) Sense of smell would be lost, and food would taste funny. C) Incoming air would not be humidified. D) Incoming air would not undergo filtration.