Why can’t a starch molecule enter a cell right after a person eats a meal with starchy food? A.) Because a starch molecule is too large to fit into a cell and needs to first be broken down into smaller glucose molecules in the digestive system.

B.) Because a starch molecule only stays in the digestive system and never leaves it to go into other systems.

C.) Because starch molecules first need to enter the respiratory system before they can get into cells.

(explain) This answer is correct because…

Mini dentist offices prefer preset trays because the use of these trays

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent. i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious. ii. microscope. iii. culture the substance on nutritive medium, away from any plant cells. iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious. if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv