In aerobic respiration, what is the direct source of energy that ATP synthase uses to synthesize ATP?

A.

an electron gradient

B.

an exergonic chemical reaction

C.

a water gradient

D.

a proton gradient

Whats the relationship between the temprature and the density of a substance

How big do cells grow

Jaden is 11 years old, and still urinates in the bed while he sleeps. While this does not happen every night, it is highly embarrassing for him and is becoming a problem for the family. From which disorder is Jaden suffering? 1. enuresis 2.

Explain the Concept of Survival of the fitness

Which factor is a major cause of the changes that occur during puberty?

In general, the muscles of the anterior compartment of the forearm tend to extend the wrist and fingers, while muscles in the posterior compartment of the forearm tend to flex the wrist and fingers. a. Trueb. False

Osseous tissue is a connective tissue with a hardened matrix that makes up organs called

The amount of sun energy reaching Earth that reflects back into space is about one A) tenth B) quarter C) third D) half

Process in which homologous chromosomes exchange portions of their chromatids during meiosis ancwer

Select the best answer for the question 14. If you read a nutrition label from your favorite package of cookies and it says that each cookie contains 180 Calories, how many calories (lowercase) does it contain? O A. 180,000 cal O B. 1,800 cal O C.