Answer:
23 chromosomes
Explanation:
The human sperm cell is haploid, so that its 23 chromosomes can join the 23 chromosomes of the female egg to form a diploid cell.
Answer:
I can’t answer all of them, but I’ll answer the oxygen ones.
The mitochondria uses oxygen. In mitochondria, this process uses oxygen as a waste product. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.
I hope this helps, even though I only answered 3 of your questions!!
Answer:
Parents genotypes are: Pp (purple) and pp (white).
Top left box: Pp
Top right box: pp
Bottom left box: Pp
Bottom right box: pp
So because of this you have 50% purple and 50% White
Hope this helps :D
(The second one is similar but with both parents being Pp so it’s 100% purple 0% white)
Nanotechnology is in fact effective at helping clean up PCB’s or polychlorinated biphenyls and
similar compounds with the use of nanoparticles. Aside from this, it also <span>protect workers exposed to pesticides occupationally by regulating
pesticide use. </span>
<span>In addition, it reduces
the concentration of pesticides found in watersheds. Therefore, the answer is
A. only promote pesticide use in rural environment. </span>