One of two of a ribosome's binding sites for tRNA during translation; The P site holds the tRNA carrying the growing polypeptide chain (P stands for peptidyl tRNA)
What will be an ideal response?
P Site
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If chlorophyll a is blocked from absorbing light, what would be the effect on the ability of the plant to do photosynthesis?
A. The plant will have an enhanced ability to carry out light-dependent reactions B. The plant will have an enhanced ability to carry out light-independent reactions C. The plant will have a decreased ability to carry out light-dependent reactions D. The plant's ability to carry out photosynthesis will be unchanged, as one of the accessory pigments can fill in for chlorophyll a 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 the role of pigments during photosynthesis? What other information is related to the question? Choose Answer Do you have all the information needed to determine what would happen? 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?
Although ferns and conifers maintained their diversity into the early Cenozoic era, ____ may have hastened their
decline in the early Cretaceous.
a. cycads b. gymnosperms c. angiosperms d. invertebrates e. mammals
Countershading is a common form of camouflage in ____ fishes
a. coral reef b. eel grass bed c. pelagic d. deep sea
Which type of tissue causes constriction of the
pupil of the eye?
a. skeletal muscle b. cartilage c. tendon d. smooth muscle e. a combination of more than one of these