Q. The contraction cycle is triggered by the rise in ________ released from the sarcoplasmic reticulum (SR).
A. Ca2+
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Yellow<span> Rat </span>Snake Information<span> & Facts. Biology: Rat </span>snakes<span> are large constrictors that are mainly found in the northern hemisphere. ... One of the more common kinds of sub-species is the </span>yellow<span> rate </span>snake<span>. The </span>yellow<span> rate </span>snake<span> can reach up to ten feet but, in general, will grow as big as five to seven feet.</span>
Answer:
<h3>The correct answers are :</h3>
<u>(B) They have nuclei </u>
<u>(C) They live in moist environments.</u>
Explanation:
Protists are very diverse group of organism, it contains all the organisms that does not fits into other kingdom. All of the protists are not heterotrophs some of them are autotrophs. They reproduce sexually but some of them reproduce asexually. Example: amoeba: binary fission. Some of the protists are multicellular. Some of them are unicellular too.
