B. essential
We cannot store up amino acids on our body, but we can have amino acids through consumption of food. These amino acids of which the body cannot make is called as essential amino acids.
Answer:
a scientific question is a hypothesis. which has to be testable.
Explanation:
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Answer:
A breath
Explanation:
When you breathe in you have to let out said breath
Answer:
Unlike a conventional fingerprint that occurs only on the fingertips and can be altered by surgery, a DNA fingerprint is the same for every cell, tissue, and organ of a person. It cannot be altered by any known treatment.
Explanation:
Asexual reproduction produces individuals that are genetically identical to the parent plant. The methods of asexual reproduction include: budding, grafting and cutting.
Sexual reproduction in plants produces individuals that only share some characteristics with the parents, but are not genetically the same. This is done primarily through pollination and fertilization.