Answer:
Option C
Explanation:
In elephant seals, the male arrive the beach first and start establishing its territory. Once their territory is established female elephant seals starts arriving at the beach and prefer mating with the male who can defend their territory or females in his territory from other males. All females in the territory of specific male mate with the male give birth to their pups and after staying for few months move back into the water.
hence, option C is correct
Mainly there is cell wall at the outer of prokaryotes ! but not have cell wall as PPLO or mycoplasma don't have cell wall !
Answer :a. the polygenic nature of sickle-cell disease
Explanation:
<u>SS is a genetic disorder in which more than two genes control a single character</u>. Contrary to single gene to a trait. It exhibit an abnormal clinical heterogeneous traits for Mendel inheritance with multiple factors exerting influence on an individual disease outcome. Therefore multiple complications arises with symptoms
<h3><u>Answer;</u></h3>
D. Sodium Ions
<h3><u>Explanation;</u></h3>
- Ions play important and variety of roles in cellular activities.
- The composition of the cell interior is markedly different from the outside environment of the cell.
- The dominant positive ion within the cell is potassium with a concentration that is more than 10-fold higher than that of sodium.
- Outside the cell the major positive ion reverses with sodium as the dominant positive ion.
