Where does most of the oxygen in the atmosphere come from?

A.

the process of evolution

B.

the process of photosynthesis

C.

the process of respiration

D.

the process of cellular respiration

Conversion of a six-carbon carbohydrate to two pyruvic acid molecules with accompanying reactions that release atp and hydrogen atoms is called

What does the breakdown and absorption of minerals look like step by step and which organs are involved?

Both plant cells and animal cells contain mitochondria and yet they were not visible in the cells you viewed. does this mean that these organelles are not found in cheek and onion cells? explain

Do you think the Earth has a fixed carrying capacity?

Which of the following diseases primarily affects children? cholera yellow fever mumps rabies

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.

A certain metabolic pathway can be diagrammed as, where a, b, c, d are the intermediates, and x, y, z are the enzymes that catalyze the reactions

A client has activated the complement system during an inflammatory response to an injury. when planning care, which information should the nurse remember about which substance activates complement?

Which of the following is a product of the Krebs cycle glucose oxygen carbon dioxide or lactic acid?

What's the role of the complement in the phagocytosis?