Answer:
Mutations in the HBB (beta-globin) protein causes symptoms of sickle cell disease.
Answer:
All
Explanation:
You would need carbon dioxide to be able to sustain life forms such as plants, warm enough temperatures to allow the development of animals, (because they cannot be frozen), they would, of course, need oxygen to allow anyone to breathe, and finally liquid water to sustain healthy life, because we must hydrate that is necessary for survival.
Ti is B:forames
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Answer:
A) few B) 100% c) 100%
Explanation:
Muscle responds a stimulus which is capable of generating action potential. Muscle response is in a way of "ALL or NONE". Muscle response to greater stimulus by recruiting more muscle fibers.
A) At threshold there would be only a small proportion of muscle is contracting.
B) At maximal stimulus the maximum number (100%) of recruitable fibers are contrating.
C) The number of recruitable fibers can't increase above maximal stimulus because already the maximum number of recruitable fibers are contracting.
