Explanation:
nervous tissue is small unit of nervous system
Answer:
A. Each of the new double stranded DNA molecules contains one of the original intact strands and one completely new strand.
Explanation:
DNA replication is a semi-conservative process. During DNA replication, the two parental DNA strands are separated to serve as the template. DNA polymerase extends the RNA primers by the addition of the deoxynucleotides complementary to the sequence of the template DNA strand.
After replication of complete length of template DNA, two DNA double helices are formed. Each of the new DNA double helices contains one parental template strand and one newly formed DNA strand. This is why the process is called to be semi-conservative.
Answer:
What animal phylum do leeches belong in?
Explanation:
Leeches are segmented parasitic or predatory worms that belong to the phylum Annelida and comprise the subclass Hirudinea. They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular, segmented bodies that can lengthen and contract.
<span>There are three layers of meninges the dura mater, the arachoid mater, and the pia mater. The dura mater was the thick, opaque layer that had to be pulled back before dissecting. The pia mater is the thin, vascular layer that adheres to the surface of the brain. Weren't able to see the arachoid mater because of its transparency.</span>
