Answer: C
Explanation: Because if silver is tarnished it will lose its luster, thus making it not attractive.
The sympathetic nervous system.
This is a part of the nervous that operates involuntarily (you can’t control it) and functions to “turn you on” as part of the fight or flight response.
The parasympathetic is the other big involuntary part that mostly does the opposite functions.
Biochemistry studying or biotechnology called
This is an example of non-disjunction of sex chromosomes, The correct option among all the options that are given in the question is the first option or option "A". The other choices in the question are incorrect and can be neglected. I hope that this is the answer that has actually come to your desired help.
Answer:
A & B
Explanation:
Leucine and phenylalanine have hydrophobic side chains, which means that they can interact with valine in the pocket. All other aminoacids on the list have polar (two electrically charged) side chains and cannot form hydrophobic pockets.