Answer:
3.
Explanation:
there are three things that make up any nucleus:
Protons
Neutrons
Electrons
The amount of each will very by what type of atom it is, but the things that make up a nucleus do not change when in the body.
C. They unwinds the two strand of DNA.
Answer:
The Full Moon Phase
Explanation:
After 14 days, the moon is 180 degrees away from the Sun, with the Sun, Earth and Moon, forming a straight line. The moon would completely be illuminated by the Sun. Hence, this is called the “full moon phase.” This is the only time during the entire month when the Earth's shadow could be close to the moon.
Answer:
A base substitution is when the base in the DNA molecules is replaced with another base.
Explanation:
This substitution changes the base sequence of mRNA during transcription and in translation the amino acid sequence coded for by the mRNA will have a mistake in it because of its change in base
The answer is D because the electrolytic cell needs energy to run because the reaction between half-cells are not spontaneous.
