Describe p53 at the molecular level, and at the phenotypic level. This must include the following:
1. A description of the molecular mechanisms of inheritance of this gene.
2. What does this gene do, and how does it do it at a molecular level?
3. What are the visible phenotypes? The non-visible phenotypes?

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above