Answer: the proper number of chromosomes.
Explanation:
Answer:
a long time just kidding
Explanation:
20,000 and 40,000 years ago this can be proved by fossil evidence.
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<span>The art of joining parts of plants together.</span>
<span>The light dependent reaction takes place in the fluid-filled area of a chloroplast called the stroma </span>
MRNA has a complex secondary structure; 3D. While tRNA is more like an X figure.