DNA, Purine, Pyrimidines

Which of the following is the monomer of a nucleic acid?

• Amino Acid

• Monosaccharide

• Nucleotide

• Nitrogenous Base

Which of the following are purines?

• adenine

• cytosine

• guanine

• thymine

• uracil

Which of the following describes the base pairing and bonding involved with nitrogenous bases?

• Adenine binds with Cytosine with 2 hydrogen bonds

• Adenine binds with Thymine with 2 hydrogen bonds

• Adenine binds with Guanine with 3 hydrogen bonds

• Adenine binds with Uracil with 3 hydrogen bonds

Which of the following describes the directionality of nucleic acids?

• 5' end has a hydroxyl and 3' end has a phosphate

• 5' end has a phosphate and 3' end has a hydroxyl

• 5' end has an amino group and 3' end has a carboxyl group

• 5' end has a carboxyl group and 3' end has a amino group

A, T, C, G in the middle of DNA; the order determines traits or characteristics.

• Nitrogenous Bases

• Letter Bases

• DNA strands

• Letter characteristics

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is the shape of DNA?

• Single Helix

• Double Helix

• Triple Helix

• Twisted

The base that pairs with Thymine in DNA purine structure.

• Thymine

• Guanine

• Cytosine

• Adenine

The base that pairs with Adenine in DNA, pyrimidine structure

• Adenine

• Thymine

• Cytosine

• Guanine

The base that pairs with Cytosine in DNA, purine structure

• Adenine

• Cytosine

• Guanine

• Thymine

The base that pairs with Guanine in DNA, Pyrimidine structure

• Adenine

• Thymine

• Guanine

• Cytosine