Explain why a concentration gradient of a substance across a membrane represents potential energy.

What organelle provides energy for the cell?

How might the water quality of the stream be affected by changes in the watershed

After treatment that includes hospitalization and weight gain, anorexics:

Which answer choice correctly lists the flow of food through the GI tract (gastrointestinal tract) of the digestive system?

What is a poly genetic drift

Rna polymerase binds to regions pf dna called blank which are start sinals for transcription

When a cells volume becomes to great for the surface area to maintain the cell will A) die. B) divide. C) grow. D) move.

Fatty acids and glycerol are produced from the metabolism of

A rabbit is eating leafy plants on a sunny day. What is happening to the carbon in the plants and in the rabbit? a Carbon is only moving out of the living things; it is not moving into them. b With this information, there is no way to know for sure.

During the process of RNA transcription, which of the following steps is not included?