What stage of cellular respiration produces pyruvate as a product? (2 points) glycolysis electron transport chain krebs cycle fermentation

Found evidence that the continents were joined together at one time.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?