Alpine pennycress plants remove zinc and cadmium
from the soil and store them away in their
a. chloroplasts.
b. amyloplasts.
c. central vacuoles.
d. Golgi bodies.
e. vesicles.
Answer: c
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Any physical or chemical agent that brings about an increase in congenital malformations is called a(n) ____
a. teratogen b. hormone c. ARX factor d. cytocin e. trophoblast
When a neuron is at rest,
a. there is a voltage difference across the membrane of about ?70 millivolts. b. the interior is positively charged. c. it is responding to a stimulus. d. the fluid outside the membrane has more sodium and less potassium than the cytoplasm. e. axons are firing at a faster rate.
Which statement is true regarding kidney stones?
A. Their removal always requires surgery. B. Most of them block a ureter or urethra. C. They are made of uric acid and calcium. D. They cause tumors in the kidney. E. They occur as a result of diabetes mellitus.
Please match the following nutritional types with the statements that most accurately describe them, to test your understanding of the main categories of nutritional types among organisms.
Autotroph B) An organism that must obtain its carbon in an organic form C) An organism that gains energy from chemical compounds D) An organism that acquires energy from light