Answer:
Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines.
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Answer:
An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
Explanation:
Answer:
A couple of examples
<u>amylase</u>: break down starch into sugar.
<u>protease</u>: break down proteins into amino acids.
<u>lipase</u>: break down lipids (fats and oils) into fatty acids and glycerol.
Answer:
Adult cottonmouths are brown.
Explanation:
An observation is a fact that you can clearly see and don't have to guess if it is true or not.
To copy the DNA, recombinant DNA method use bacteria such as E. Coli whose plasmids has been combined with various gene to produce the substance that is wanted.