DNA Structure and Function

Which of the following is not a component of DNA?

• Deoxyribose

• Phosphate Group
• Ribose

• Thymine

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

• Thymine
• Uracil 
• Guanine
• Adenine

According to Chargaff's rule, Cytosine always pair with

• Adenine
• Uracil
• Thymine
• Gaunine

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

• The order of the Nitrogen Bases determines the number of chromosomes present in an organism.
• The order of the Nitrogen Bases determines the traits that an organism will possess (have).
• The order of the Nitrogen Bases determines the gender of an organism.
• The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

The twisted ladder shape of DNA is known as a

• Double Helix
• Triple Helix
• Single Helix
• Triple Helix

How is the instructions for your traits carried on a DNA molecule?

• Sequence of the nitrogen bases
• In the 5 Carbon Sugar
• In the bond between the phosphate and the sugar
• In the phosphate group

What is meant by the phrase "DNA is universal"?

• All organisms possess DNA made up of the same 3 components.
• All organisms share the exact same DNA
• DNA can be found throughout the universe
• DNA is found in Prokaryotes, Eukaryotes, and Viruses

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

• ATGCATTCGA
• TACGTAAGCT
• TACCTAAGGA
• ATGCCATGAA

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine