Name the fluid-filled interior of the chloroplast
A) Thylakoids
B) Stroma
C) Grana
D) None of these
B
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Could two achondroplastic dwarfs have a normal child?
a. Yes b. No
The trade barrier that involves levying one tariff rate for a certain amount of an imported commodity and a higher tariff rate for quantities in excess of that amount is the
a. export subsidy. b. import subsidy. c. tariff quota. d. quality standards requirement.
In blind cave fish, eyes do not form. However, transplantation of the lens from a closely-related aboveground fish into the optic cup of the cave fish induces eye development. What does this suggest about the loss of vision in the cave fish?
A. Primary induction of the eye fails in the cave fish because the lens lacks some critical signal. B. Secondary induction of the eye fails in the cave fish because the lens lacks some critical signal. C. Primary induction of the eye fails in the cave fish because the optic cup lacks the ability to receive some critical signal. D. Secondary induction of the eye fails in the cave fish because the optic cup lacks the ability to receive some critical signal. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about eye formation? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Cnidarians have an outer layer derived from ectoderm, an inner layer from endoderm, and a ____
a. middle layer of mesoderm b. watery middle layer c. well-developed brain d. jellylike matrix in between e. complete gut