The molecule that rapidly replenishes ATP at the beginning of muscle activity is
A. actin.
B. creatine phosphate.
C. dystrophin.
D. acetylcholine.
E. myosin.
B. creatine phosphate.
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Frog eggs most closely resemble
A. chicken eggs. B. fish eggs. C. platypus eggs. D. alligator eggs. 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 eggs? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
Stephanie is infected with a pathogen. How might it be determined if the pathogen is a virus
or a bacterium?
a. A virus does not have genetic material such as DNA or RNA. b. A bacterium has ribosomes, but a virus does not. c. A virus does not have an outer covering or capsule. d. Bacteria are eukaryotes, and viruses are prokaryotes.
One hypothesis proposes that an asteroid impact at the end of the ___________ led to the extinction of dinosaurs. Fill in the blank(s) with the appropriate word(s)
The ________ drift up to the stratosphere, where UV radiation causes them to break down to their atomic form, one of which breaks down ozone
Fill in the blank(s) with correct word