Answer:
insects
Explanation:
There are variety of insects and is considered a species. A big fish is just a description so is small dog. And cricket is simply just cricket.
Answer:
B
Explanation:
Helicase is the enzyme that unwinds the DNA by breaking hydrogen bonds between the two strands. It forms the so called replication fork.
Answer:
B. hormone
Explanation:
The endocrine system involves many organ systems and hormones, many of which are still being investigated and understood.
Transmission electron microscopes (TEM) is one of the two main types of electron microscopes, the other type is scanning electron microscope.
Transmission electron microscopes are best viewing thin specimens (tissue sections, molecules, etc) . TEM is mainly used for the following things: to image the interior of cells , to image the structure of protein molecules and the organization of molecules in viruses.