U5 DNA/RNA

Which of the following units are repeatedly joined together to form a strand of DNA?

• Amino Acids

• Nucleotides

• Fatty Acids

• Polysaccharides

The process of DNA replication is called semi conservative because it results in

• none of these

• Two DNA molecules.  One original molecule and one with two new strands

• two exact copies with new strands

• two DNA molecules, each with 1 original strand and one new.

Nitrogen bases are joined by which type of bond?

• polar bonds

• hydrogen bonds

• phosphate bonds

• deoxyribose bonds

Adenine bonds with _____

• Cytosine

• Thymine

• Guanine

• Uracil

Cytosine bonds with ____

• Adenine

• Thymine

• Guanine

• Uracil

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

What is a mutation?

• Adenine

• a change/mistake in DNA

• a copy of the original DNA

• Guanine

Which of the following bases would not be found in DNA?

• Adenine
• Uracil
• Cytosine
• Guanine

DNA, in eukaryotes, is found within the...

• Nucleus
• Golgi apparatus
• Cytosol
• Outside the plasma membrane

What are the components of a nucleotide?

• nitrogen base, phosphate group, and 5-carbon sugar

• 5 carbon sugar, purine, and pyrimidine

• nitrogen base and a phosphate group

• DNA, phosphate group, monosaccharide