Mitosis & DNA Replication Review

What does DNA stand for?

• Double-helix Nucleic Acid

• Deoxyribonucleic Acid

• Dehydrogenic Acid

• Denitrogenous Acid

DNA has nitrogenous bases that come in pairs. What is this called?

• Complementary Base Pairing

• Convergent Pairing

• Nondisjunction

• DNA Replication

Select the 2 correct DNA base pairs.

• Adenine and Thymine

• Adenine and Cytosine

• Cytosine and Guanine

• Cytosine and Thymine

DNA is said to be in the shape of a:

• Single helix

• Double helix

• Plasmid

• Complementary base pairs

The nitrogenous bases of DNA nucleotides form the middle "rungs" of the DNA ladder. What type of bond holds these bases together?

• Strong covalent bonds

• Peptide bonds

• Weak hydrogen bonds

• Strong phosphorous bonds

Every set of 3 bases or letters in DNA and RNA are called a:

• Codon

• Triplet

• Chart

• Amino acid

Select the correct complementary DNA strand for the following sequence: TAC-GCT

• ATG-CGA

• AUG-CGA

• TAC-GCT

• GTC-ATC

A segment of DNA is called a:

• Allele

• Gene

• Codon

• Trait

Where in the cell does DNA replication occur?

• RIbosomes

• Cell membrane

• Nucleus

• Nucleolus

Why do cells replicate their DNA?

• To express genes

• To code for proteins

• To make more DNA for new cells

• To repair damaged DNA