Which of these proteins speed up a biological reaction?

a, enzymes

b, antibodies

c, hormones

d, unhibitors

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

What best describes lactic acid fermentation?

In which state was more than 100 billion tons of coal mined in 2005?