Detrimen WHY the following statement can occur in DNA ? a. the sequence -A-C-C-T-C-G- may be present in the DNA molecule

c. the ratio A: T and C: G is the same in the DNA molecule

e. the sequence -C-G-U-A-A-G-may be present in the mRNA molecule

f. the sequence -T-G-C-A-C-U- can not occur in the RNA molecule

How can I answer this question ?
Thanks aot​

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Idont understand by supporting the plant and holding the leaves up to the light. question 3 options: tap or fibrous root flower petals herbaceous or wood stems leaves with stomata

Jane has a sprained ankle, and her doctor gave her a prescription that states: “ibuprofen caps 200 mg tid po.” what does this prescription say, in spelled-out form?