Most cells found in organisms on Earth today are aerobic; that is, they need oxygen. Which is a reason why the first cells could not have been aerobic bacteria?

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3

The diffrences between complement system and interfernon