Answer:
protein
Explanation:
Proteins are constructed from an organism's DNA, which the DNA makes the RNA, which makes proteins. These proteins conduct the basic functions for the organism.
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When particles spread out it is called diffusion.
Answer:
Variations are caused by mutation. random mating between organisms.
Explanation:
Answer:
pruney fingers are caused by shrinking blood vessels. When you soak in water, your nervous system sends a message to your blood vessels to shrink. Your body responds by sending blood away from the area, and the loss of blood volume makes your vessels thinner.
