5. Colonizing plants help prepare the soil for the growth of other species of plants Look at time lapse photographs of the Scorch, standing dead forest from 17 and 30 years after the blast on the site http://www. mshslc. org/return-to-life/changing-landsca pe/. Are these different plants than you saw in the photographs from Question 2

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed