<span>The energy to this reaction can be provided by adding a catalyst enzyme : DNA polymerase. Energy is released when this enzyme cuts off 2 phosphate groups from the end of the nucelotide. This energy is sufficient to link the nucleotide to the DNA.</span>
To answer this question, we divide the number of people by the area.
# of people = 1,355,935,022
divided by
Area = <span>3,705,405 square miles
= 365.93 people/ square mile</span>
In humans sperms can survive 3 -5 days within the female reproductive tract.
The ideal time of fertilization is around ovulation when the egg is in the fallopian tube. After travelling through the vaginal canal, the strongest sperm make it to the cervix. From here, the sperm must travel through the uterus and into one of the fallopian tubes.
Answer: your answer is A
Explanation: they are made of one or more cells :)
