The majority of signal molecules are peptides and small proteins. Both are made of a chain of amino acids, the difference being the number of amino acids that make up the molecule. Generally, if the signal molecules has fewer than 50 amino acids it is considered a peptide. If it has more it is considered a protein.
Answer:
B: The force of motion is different when a strong or a weak force is applied to the ball.
Explanation:
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ignore the other answer. He answered one of mine just to get points and I believe he's doing the same here.. :)
the answer is A. covalent bonds
Single-stranded DNA-binding proteins (e.g., eukaryotic replication factor A [RFA]) then stabilize the unwound template DNA, keeping it in an extended single-stranded state so that it can be copied by the polymerase.