What structure protects insects and gives them muscles

The disaster called the Cambrian explosion resulted in a tremendous mass extinction. True False

Which enzyme removes the RNA primer during replication? A. RNA primase B. DNA polymerase I C. DNA ligase D. Helicase

Denaturation of Trypsin

Spiders and lobsters?! Juan was surprised that spiders and lobsters were similar in at least two ways. Juan also noted that all insects were similar to each other because they all had A) wings. B) 6 legs. Eliminate C) 8 legs. D) two body segments

What period did the dinosaurs go extinct? a. Quaternary c. Jurassic b. Cretaceous d. Permian

Which organelle modifies cell product packages them for distribution and then may turn into vessels in bubbles off the surface of the cell

Describe two ways in which communication in the endocrine system and in the nervous system are different and one way in which they are similar.

One of mrs. morgan's fractures is described as being located on the proximal diaphysis. which of these phrases best describes the anatomical location of this fracture?

When a cell divides in mitosis, how do the daughter cells compare to each other?

What is one main human activity that causes smog, acid rain and contributes to global warming?