Answer:
The correct answer is "negative".
Explanation:
At pH 2 the net charge of the R groups of all the amino acids that comprise the peptide in question would be positive. This happens because of the high content of protons in a solution of pH 2, a value that is below the isoelectric point of all the amino acids. Since the peptide would have a positive net charge, it would migrate to the negative terminal of the gel because opposite charges attract each other.
Answer:
Earth is between the sun and the moon
Explanation:
A lunar eclipse occurs when the Earth is between the Sun and the moon , blocking the sunlight from reaching the moon.
I think it's oxygen and water because they are the substance for cellular respiration.
Answer: a membrane containing a larger proportion of unsaturated fatty acids
Explanation: