Which of the following is an air-filled internal organ found in the mantle cavity of land snails and slugs?
A. Lung
B. Trachea
C. Gills
D. Spiracle
E. Pore
Answer: A
Biology & Microbiology
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Metal ions bound to enzymes are called _______
A. cofactors B. coenzymes C. vitamins D. metalloids E. anions
Biology & Microbiology
In bacterial cells, when glucose is completely oxidized by all the pathways of aerobic cellular respiration, what is the maximum number of ATP generated?
A. 2 B. 36 C. 3 D. 24 E. 38
Biology & Microbiology
Eumetazoans are animals having only one tissue layers
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
Many poisonous snakes share warning colors of red, yellow, and black. This is an example of:
a. Batesian mimicry. b. mutualism. c. camouflage. d. Müllerian mimicry. e. character displacement.
Biology & Microbiology