Answer:
Explanation:
Site-directed mutagenesis alters the amino acid sequence by introducing changes in the base sequence of DNA. This is done by either by substituting a single base, multiple bases and inserting or deleting a base.
Answer - C. Coal is ionically bonded together while diamonds are covalently bonded together.
Answer:
Option D. They use mitochondria to release energy from the sugars.
Explanation:
Mitochondria is an important organelle which is present in both plants and humans. Mitochondria is also called power house of the cell because it release energy in the form of Adenine tri phosphate (ATP) when oxygen is added with the sugar (glucose) during the process of respiration. Energy is also released from glucose molecules in the absence of oxygen but the less energy will be produced.
The Answer is "<span> the middle muscular </span>layer".
The middle muscular layer of the uterus is also known as myometrium.
There are three layers of the uterus;
1) the outer layer known as perimetrium
2) the middle layer that is myometrium
3) the inner layer which is known as endometrium.
The middle layer is responsible for the uterine contraction and as a result, one have menstrual cramps.