AP BIOLOGY

Detailed explanation-1: -The G1 phase, gap 1 phase, or growth 1 phase, is the first of four phases of the cell cycle that takes place in eukaryotic cell division. In this part of interphase, the cell synthesizes mRNA and proteins in preparation for subsequent steps leading to mitosis.

Detailed explanation-2: -If cells don’t pass the G1 checkpoint, they may “loop out” of the cell cycle and into a resting state called G0, from which they may subsequently re-enter G1 under the appropriate conditions. At the G1 checkpoint, cells decide whether or not to proceed with division based on factors such as: Cell size. Nutrients.

Detailed explanation-3: -The G0 phase, also known as the resting phase, is the time when the cell is neither dividing nor preparing to divide. During this time, the cell is performing maintenance and its other functions. It is important to note that G0 is sometimes included in interphase because it is thought of as an extension of interphase.

Detailed explanation-4: -In G1, cells accomplish most of their growth; they get bigger in size and make proteins and organelles needed for normal functions of DNA synthesis. Here, proteins and RNAs are synthesized, and, more especially the centromere and the other components of the centrosomes are made.