I think it is the secondary ovarian follicle that contains the secondary oocyte.The stages of the ovarian cycle that the follicle will go through includes; a primary follicle contains an oocyte and begins producing estrogen. Then the secondary oocyte contains a secondary oocyte and produces estrogen and some progesterone, then the graafian follicle develops and the secondary oocyte is released a process we call ovulation. the corpus luteum produces progesterone and some estrogen and lastly the corpus luteum degenerates.
<span>DNA replication involves unzipping the DNA molecule, followed by base pairing, which adds complementary nucleotides, to form two new identical DNA molecules that move to the new cells during cell division.</span>
The answer is B. Multiple food chains make up a food web of an ecosystem. A food web is made up of multiple food chains, and shows the relationships between different organisms in an ecosystem.
Answer:
The main disadvantage of inorganic fertilizers is that it costs much higher than the organic fertilizers. So, if someone is using fertilizers in bulk, organic fertilizers are much more cost effective.
Explanation:
Explanation:
HIV virus is an RNA virus