Peeing in a cup is required for a drug test
Answer:
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.
Explanation:
By moving substances across membranes, transport proteins make everything from nerve impulses to cellular metabolism possible. Without transport proteins, for example, the sodium-potassium gradient that allows our nerves to fire would not exist.
Answer:
Rats can survive several days without food but only 48 hours without water.
Explanation:
Also, for anyone who didn't know this, rats eat even when they are not hungry. So, if you feed them constantly, they will eat constantly
