The Initiation of the S Phase and the M Phase

question 34

Multiple Choice

The initiation of the S phase and the M phase of the cell cycle depends on a pair of molecules called _______ and _______.

• A) actin; myosin
• B) Cdk's; cyclin
• C) ligand; receptor
• D) MSH; MSH-receptor
• E) ATP; ATPase

---

Definitions:

Boyle's Law

Boyle's Law is a gas law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.

Charles' Law

A gas law stating that, at constant pressure, the volume of a gas increases or decreases by the same factor as its temperature increases or decreases.

Mathematical Expression

A combination of numbers, variables, operators, and sometimes parentheses that represents a mathematical relationship or process.

Mathematical Ratio

A relationship between two numbers indicating how many times the first number contains the second.