Nitrogen is generally available to plants in only two forms : ammonium and

Why is white matter of the spinal cord white?

Carbon dioxide is a ___ of cellular respiration, which occurs in the mitochondria.

When would a diameter cut be appropriate? O A problem in a 3-foot section of the tree O A large blemish that ran the full length of the tree O A disease from the bark had ruined the wood underneath it One end of the tree was significantly narrower

The biomolecule described is a

After mars the next most likely candidates for life in the solar system are

Which of the following options lists the stages in cellular respiration in the correct order? glycolysis, the citric acid cycle, and oxidative phosphorylation glycolysis, oxidative phosphorylation, and the citric acid cycle the citric acid cycle,

Which cell uses energy

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter

The heads of a phospholipid are

What is muscle tissues funtion