In the krebs cycle, a pyruvate is broken down into co2 molecules b glucose is broken down into nadh and co2 c co2 is converted into pyruvate and o2 d nadh and co2 are converted into atp

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Coral have a symbiotic relationship with what in order to eat?

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.