Jun Ming puts a slide of a eukaryotic cell under a microscope. The following diagram represents what Jun Ming observes. Which of the following choices best describes the structures labeled A?

a) These structures do not have membranes.
b) These structures transport substances throughout the cell.
c) These structures produce energy for the cell in the form of ATP.
d) These structures contain DNA and have a folded inner membrane.

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

explanation:

idk

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )