Answer:
20 amino acids.
Explanation:
Amino acids are the monomers that combine together to form a protein. Two main types of amino acids are non- essential amino acids and essential amino acids.
Thousands of different proteins can be made by the simple 20 amino acids present in the cell. The amino acids can combine in different ways to form all the proteins present in the body.
Thus, the correct answer is option (5).
50 meters is a length too big for any existing animal on Earth. Many trees achieve 50 meters in hight though.
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BioTeacher101
Answer:
A scientist’s presentation of experimental results at a scientific conference
Explanation:
Answer:
D) competition
Explanation:
They are going to be competing for their survival.
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As Earth rotates, different parts of Earth receive sunlight or darkness, giving us day and night. Since different parts of Earth enter and exit daylight at different times, we need different time zones. In the late 1800s, a group of scientists figured out a way to divide the world into different time zones.
