Answer: In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Answer:
When the hearts contracts
it pushes blood out of the heart
and it goes to a blood vessel of the
circulatory system.
Explanation:
<span>The fertilized egg is called zygote. Then a few weeks later on, it is called an embryo.</span>
ATPase is the enzyme which is required to create ATP and is denoted as option B.
<h3>What is ATPase?</h3>
This type of enzyme is found in the mitochondrion and catalyzes the formation of ATP which provides energy to cells.
The ATP which is referred to as adenosine triphosphate is formed from the molecules known as ADP and inorganic phosphate which are present in the body cells. This ensures that the daily energy needs of the body are met.
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