Which occurs during transcription? a. dna is copied to create a second dna strand. b. mrna codons and trna anticodons assemble amino acids. c. dna is unzipped with the aid of dna polymerase. d. mrna is synthesized from a strand of dna.

D.  mRNA is synthesized from a strand of DNA.

Transcription, hence the root script, means to write. This is the creation of the mRNA "messenger" information.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds