The dna oligonucleotide abbreviated

a) has 7 phosphate groups.
b) has a hydroxyl at its 3' end.
c) has a phosphate on its 3' end.
d) has an a at its 3' end.
e) violates chargaff's rules.

What is one way in which a discovery that is made by using cell technology could change existing scientific knowledge? a. a discovery could lead to a change in experimental methods. b. a discovery could lead to a replacement of a scientific theory. c. a discovery could lead to a new brand of cell culture medium. d. a discovery could lead to a new material for culture flasks.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

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.