What organic molecule provides an immediate source of chemical energy within all cells?

In living things, most chemical reactions occur near pH 7, and changes in pH do not normally occur. Describe how buffers maintain a pH of 7 in the human body.

Which characterisic of life destinguishes a fire and a flowering plant

What happens to ordinary plants (not C 4 or CAM) when stomata close? Enzymes change carbon dioxide to a four-carbon sugar. Enzymes change carbon dioxide to glucose. Photosynthesis stops due to a lack of carbon dioxide.

What type of pathogens do antibiotics fight against

A (n) blank is a representation of something in the natural world

A scientist is testing the effectiveness of Drug X on cancer. She gives a small amount of the drug to the mice that have cancer.

The genome of the pufferfish, Fugu rubripes, is only one-tenth the size of mammalian genomes. Which of the following most likely accounts for this difference? Choose one: A. movement of mobile genetic elements B.

A genetic factor that blocks another genetic factor

What property of light waves explains the appearance of the pencil under water?

Which statement is false? Organ rejection is a big risk in patients with organ transplants. Donor organs are treated with disinfectants and antibiotics before they are placed in the recipient.