Which of the following is true of transcription?
a. in eukaryotic, transcription takes place in the cytoplasm
b. rna polymerse recognizes and binds to specific regions of the dna called introns
c. rna editing removes the exons from pre-mrna, leaving only the introns in the final molecule
d. rna polymerse can make many molecules of rna from a single dna sequence.

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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tobey

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.