Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?