DNA , transcription, translation

If a species has 42% THYMINE bases found in its DNA, what percent of its bases will be ADENINE?

• 21%

• 42%

• 58%

• 48%

Deoxyribose is a

• purine

• pyrimidine

• pentose sugar

• purine, pyrimidine, and pentose sugar

What are the products of the replication of one DNA molecule?

• four identical double-stranded DNA molecules

• two strands joined into one double-stranded DNA molecule

• two identical double-stranded DNA molecules

• two non-identical double-stranded DNA molecules

The monomers of DNA and RNA are

• monosaccharides

• nucleotides

• fatty acids

• nucleic acids

DNA replication is semi-conservative meaning

• occurs through the addition of nucleotides to the end of the parental DNA molecule

• results in the formation of four new DNA strands

• uses each strand of a DNA molecule as a template for the creation of a new strand

• begins when two DNA molecules join together to exchange segments

Any change in the nucleotide sequence of DNA is called

• a mutation

• a mutagen

• a base substitution

• an anticodon

Tags

NGSS.HS-LS3-2

Which type of process was used to show that DNA was the genetic material

• bacterial transformtion

• bacterial transduction

• eukaryotic meiosis

• prokaryotic meiosis

Which of the following nitrogenous bases is NOT found in DNA?

(a)  

Who discovered the double-helix structure of DNA?

(a)  

What is the first step in DNA replication?

• The stands separate

• The strands unwind

• DNA synthesis occurs

• RNA primers are added