Biology - 12.1 & 12.2 - DNA

Structure made up of tightly wound DNA.

• Protein

• Chromosome

• Nucleotide

• RNA

Tags

NGSS.HS-LS3-1

A sugar, nitrogen base, and _______________ are the

three parts of a subunit of DNA.

• gene

• fatty acid

• phosphate group

• carboxyl group

Sugar found in DNA.

• deoxyribose

• ribose

• glucose

• fructose

Subunit of DNA.

• Nucleic acid

• Nucleotide

• Amino Acid

• Fatty Acid

Base that bonds with adenine (A).

• adenine (A)

• cytosine (C)

• guanine (G)

• thymine (T)

Bond that holds the nitrogen bases together.

• Peptide bond

• Hydrogen bond

• Ionic bond

• Covalent bond

Two of these form the "rungs" of the DNA ladder

• nitrogen bases

• phosphate group

• sugar

When does DNA replication happen?

• During mitosis

• Before cell division

What protein glues new nitrogen bases to template strand during DNA replication?

• helicase

• chlorophyll

• DNA polymerase

• DNA transcriptase

In picture, which of the following is represented by X ?

• an amino acid

• an mRNA bond

• a nucleotide base pair

• a ribosome binding site