Biology DNA Structure and Function

A building block of DNA, consisting of a five-carbon sugar bonded to a nitrogenous base and a phosphate group.

• Nucleus

• Adenine

• Thymine

• Nucleotide

two strands of nucleotides wound about each other; structure of DNA

• DNA

• RNA

• adenine

• double helix

The base that pairs with Thymine in DNA. It's a purine.

• adenine

• cytosine

• thymine

• guanine

the nucleotide that hydrogen bonds with the nucleotide adenine in DNA.

• adenine

• cytosine

• thymine

• guanine

The base that pairs with Cytosine in DNA. It's a purine

• adenine

• cytosine

• thymine

• guanine

The base that pairs with Guanine with DNA

• adenine

• cytosine

• thymine

• guanine

Which of the following is not a component of DNA?

• 5 Carbon Sugar

• Phosphate Group

• Carbon Base

• Nitrogen Base

Which of the following is not a nitrogen base found in DNA?

• Thymine

• Uracil 

• Guanine

• Adenine

The twisted ladder shape of DNA is known as a

• Double Helix

• Triple Helix

• Single Helix

• Triple Helix

Which answer choice would by complementary (match up) with the DNA strand   
ATGCATTCGA

• ATGCATTCGA

• TACGTAAGCT

• TACCTAAGGA

• ATGCCATGAA