i think it is the 2nd one
Answer:
Point mutation
Explanation:
Since it does not alter the amino acid, it would be a point mutation (unless if it did change the amino acid, it would be a frameshift mutation).
Answer:His brain would be smaller
Explanation: The human brain continues to grow,until it get to the peak size,in the third or fouth decades of life. The brain tends to get smaller as people age,other reason includes,injury,alcohol use,infection,certain diseases and disorder.
Answer:
<u><em>External Factors:</em></u>
The external factors which influence the cell cycle might be physical or chemical.
Physical factors: Physical signals involve the factors like when a cell touches another cell, it stops dividing.
Chemical factors: Chemical factors are the growth factors or growth proteins that trigger the cells to undergo the process of cell division.
<u><em>Internal factors:</em></u>
Kinases: Kinases are the proteins which determine whether the cell will undergo cell division or abort it.
Cyclins: When the signal is right for cell division, cyclins activate the kinases.
There are huge flood water marks around the world, which scientists believe took thousands/millions of years to form from a flood. So scientists think the world has been around for millions of years, and came up with the Big Bang Theory after most research did not result in normal science today.