Answer:
The correct answer is internal and external signals regulate the progression of the cell cycle at various critical check points.
Explanation:
The cyclic event that helps to prepare the cell for division is termed as cell cycle.Cell cycle are regulated by various internal and external factors which regulates the passage of cell through various critical check point.
For example Maturation promoting factor helps in the progression of frog egg oocytes cells from G2 to M phase.
G1 cyclin CDK helps in the passage of cell from G1 to S phase.
The freezing temperature of rain (water) on Earth at sea level in Fahrenheit is 32 F. In Celsius water freezes at 0 C.
because the door is metal and metal conducts electricity well
Answer:
it depends on how to earth is rotated it's mostly because the earth rotates in a certain angle that cause sun to go through
