DNA Lesson Biology

Unit 1 DNA

By Kay Nowell

Multiple Choice

Which type of bond is the arrow pointing to?

• A weak hydrogen bond

• A strong hydrogen bond

• A weak covalent bond

• A strong covalent bond

Multiple Choice

Which type of bond holds the base pairs together?

• A weak hydrogen bond

• A strong hydrogen bond

• A weak covalent bond

• A strong covalent bond

Multiple Choice

What structure is #1?

• Phosphate

• A nitrogenous base

• Deoxyribose

• Ribose

Multiple Choice

What structure is #4?

• Thymine

• Adenine

• Guanine

• Cytosine

Multiple Choice

What is structure #1?

• A gene

• A chromosome

• A nucleotide

• Uncoiled DNA

Multiple Choice

What is structure #2?

• A gene

• A chromosome

• A nucleotide

• Uncoiled DNA

Multiple Choice

What is structure #3?

• A gene

• A chromosome

• A nucleotide

• Uncoiled DNA

Multiple Choice

What is structure #4?

• A nucleotide

• A chromosome

• A gene

• A nitrogenous base

Multiple Choice

What is structure #5?

• A nucleotide

• A chromosome

• A gene

• A nitrogenous base

Multiple Choice

Adenine pairs with...

• Guanine

• Cytosine

• Adenine

• Thymine