A and B

Please identify the nitrogenous base

• Adenine

• Guanine

• Thymine

• Cytosine

Tags

NGSS.HS-LS1-1

Please identify the nitrogenous base

• Adenine

• Guanine

• Thymine

• Cytosine

Which sequence of complementary DNA bases would pair with this partial strand

ATG TGA CAG?

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of

• cytosine

• guanine

• thymine

• uracil

By using radioactive isotopes, Hershey and Chase were able to conclude that _____ is the carrier of genetic information.

• DNA

• Protein

• Carbohydrate

• Lipid

Tags

NGSS.HS-LS3-1

DNA is present in

• nucleus only

• nucleus, mitochondria and ER

• nucleus, mitochondria and choloroplast

• nucleus, mitochondria and RER

DNA is the genetic material in

• viruses, prokaryote and eukaryote

• prokaryote and eukaryote

• only in eukaryotes

• in some viruses, prokaryotes and eukaryotes

The length of one turn of DNA is

• 3.4 A

• 34 A

• 20 A

• 3.04 A

The type of sugar in DNA are

• triose

• tetrose

• pentose

• hexose

The width of DNA molecule is

• 15 A

• 3.4 A

• 20 A

• 25 A