Answer:
(Wow! Weird how this pooped up, I just finished this biology lesson.)
Sex chromosomes are the gene that decides on our gender. The males have X and Y sex chromosomes (XY). Females have only two X sex chromosomes (XX).
More info: Because males have both X and Y sex chromosomes, their genes decide the offspring's gender.
Grade means HAVING SIMILAR ADAPTIVE PATTERNS.
In evolution, a grade refers to a group of species that have similar traits (the trait could be morphological or physiological) and which has given rise to another group that possess major differences from the ancestral form.
Channel protein is important because it is embedded in the membrane and it also covers the membrane. This is important because the channel must transport the micromolecules and ions in and out of the cell. Carrier proteins are important because the carrier must transport the molecule in and out of the cell.
making use of it in some way(recycle)
Answer:
Fortunately, cancer prevention usually occurs through the strict regulation of the cell cycle by groups of proteins that interact with each other in a very specific sequence of events. It is these events that determine whether the cell cycle will go forward or remain stalled between stages.
Explanation: