Answer:
d,d
Explanation:
all the things are all the above because they have those to help the bears survive
Answer:
Contractile activity of smooth-muscle cells does not normally require Ca2+.
Explanation:
There is deficiency of Smooth striations characteristic of cardiac and skeletal muscle in smooth muscle. Different organs and tube were lined with layer of Smooth muscle cell, though for contraction of Smooth muscle to occur, it's not a voluntary control
THE CONTRACTILE PROCESS
In the body of organism, the process of smooth muscle cell contraction is regulated through the activities of receptor and mechanical activation of myosin and actin which are reffered to as contractile proteins.
During the contraction process, myosin light chain kinase will phosphorylate the 20-kDa light chain of myosin, which will make the myosin to interact molecularly with actin to release Energy(ATPase). The Energy released is used for cycling of myocin and actin for contraction to take place.
Therefore,Contractile activity of smooth-muscle cells does not normally require Ca2+.
The correct answer is priming.
Priming refers to a procedure whereby encountering with one stimulus affects a reaction to a succeeding stimulus, in the absence of conscious intention or guidance. For example, the world NURSE is acknowledged more promptly following the word DOCTOR.
Priming can be semantic, perceptual, or conceptual. Priming functions best when the two stimuli are in the similar modality, For example, visual priming functions best with visual hints and verbal priming functions best with verbal hints. However, priming also takes place among the modalities or between semantically associated words as nurse and doctor.
In absence of oxygen, the respiratory cycle cannot function, which shuts down the Krebs cycle.
For this reason, the Krebs cycle is considered an aerobic pathway for energy production.
Explanation:
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A. Geographical Isolation
Explanation - Geographical Isolation alludes to the physical obstructions that exist that shield two species from mating. For instance, a types of monkey that is situated on an island can't breed with another types of monkey on the terrain.
The water separates the two species by keeping them secluded from each other and make it unthinkable for them to breed. In this case, fishes of different ponds cannot breed because they are separated from one pond to another.
