Answer:
answer is c
Explanation:
The cell needs a lot of preparation and checks in G1, S and G2 to do mitosis. especially in the G1 phase which is the longest phase. It is explained by the fact that the cell should "rest and recover" after the last mitosis before getting into the second one
the third one that says
evolution of populations over time
Answer:
The correct answer is C. aquaporins
Explanation:
The aquaporins can be described as integral proteins which are involved in the transportation of water. They are termed as aquaporin because each molecule of aquaporin has a pore in its centre. The adaptation of the blood cells of African lungfish depicts that the number of aquaporins decrease or increase as per the climate conditions. Hence, making the African lungfish to survive in harsh conditions.
Answer:
<u><em>Diploid describes a cell that contain two copies of each chromosome. ... The total number of chromosomes in diploid cells is described as 2n, which is twice the number of chromosomes in a haploid cell</em></u>
Hope this helps.
Answer:
Primitive neuroectodermal tumor (PNET)
Explanation:
They usually occur in early childhood but may become symptomatic in adult life. In children, they commonly occur in or near a spinal fluid sac known as the fourth ventricle and are called medulloblastomas.