If photosynthesis produces cellular energy (atp) from sunlight, why do plant cells also need to perform cellular respiration, a process that produces atp from sugar

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

What gas is taken in to start the calvin cycle?

Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect only target cells because a. only target cells retain the appropriate DNA segments. b. intracellular receptors are present only in target cells. c.

One of the simplest weather forecasting techniques involves examining changes in pressure over time. Which instrument is used to collect this data? A. thermometer B. anemometer C. barometer D. hygrometer

Which part of a cell stores waste until they are removed?

What type of bond forms between a slightly positive hydrogen atom in one molecule and a slightly negative atom in another molecule

What type of soil permeability is most desirable for agricultural land? very slow rapid moderate?

What feature of alcohol fermentation makes it more suitable for the baking process than lactic acid fermentation? A. Alcohol fermentation is a faster process than lactic acid fermentation. B.

What are the two zones of an aquifer? a.) capillary fringe and water table b.) zone of saturation and zone of unsaturation c.) zone of aeration and zone of unsaturation d.) zone of unsaturation and water table

The only cytoskeletal fibers not associated with intracellular movement or whole cell locomotion are the