Prior to cell division, each chromosome replicates or duplicates its genetic material. the products are connected by a centromere and are called:

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: