Which of the following statements concerning radiolarians is FALSE?
a. They lack shells.
b. They are actinopods.
c. They are rhizarians.
d. They have axopods.
e. They are important constituents of plankton.
A
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What is antibiotic resistance?
A. Bacteria that have become resistant to specific antibiotics B. Human cells have started to be harmed by specific antibiotics C. Bacteria have become more susceptible to specific antibiotics D. Human cells that have become resistant to specific antibiotics
The process of ____________________ equalizes the amount of X chromosome gene products in both sexes
Fill in the blank(s) with correct word
Epinephrine blocks the contraction of muscles in the airways. Which of the other activities of epinephrine is most likely to be regulated by the same type of pathway?
A. Increased sweating. B. Stimulation of heart muscle cell contraction. C. Promotes the breakdown of glycogen in skeletal muscle cells D. Inhibition of saliva production in salivary glands E. Contraction of smooth muscle cells in blood vessels.
An ion having eleven protons, twelve neutrons, and ten electrons will have a charge of
A. +. B. -. C. ++. D. --.