They first start out as an egg. After they hatch, the become a larva. Then they turn into a pupa. After that a developing moth, and finally an adult.
That’s the life of a silkworm.
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Answer:
Oxygen and carbon dioxide!
Explanation:
Oxygen and carbon dioxide are uncharged small molecules that can freely pass through a biological membrane. :)
Answer:
Amino acid are the monomers of protein.
Many amino acids link together by peptide bonds, forming proteins.
The reason they have to be so accurate and precise is because, let's say you were doing a lab or something that was involving chemicals. If you had to put a certain amount of chemicals in your experiment, but when you were doing to the math, you messed up and didn't go back and even bother to fix it, that is a really BIG issue. Because something will probably happen to your chemicals because you might have added to much of something into it. So that's why you always have to be so precise and accurate!