DNA Structure 11/6/2023

​ (a)   contains ​ ​ (b)   that determine ​ (c)   that make our physical features. 

• DNA
• genetic codes
• proteins
• RNA
• Polypeptides
• blueprints

DNA stands for....

• Deoxyribonucleic Acid
• Digital Network Architecture
• Dynamic Network Access

What is the 5 carbon sugar contained in DNA?

• deoxyribose
• fructose
• ribose
• glucose

DNA is classified as what type of molecule?

• lipid
• nucleic acid
• carbohydrate
• protein

What are nucleic acids made of?

• amino acids
• carbohydrates
• lipids
• nucleotides

Correctly label the nucleotide

b

c

d

Nitrogen Base

nucleic acid

Deoxyribose

Phosphate

Sugar

Which of the following is not one of the 4 Nitrogenous bases in DNA?

• Adenine
• Cytosine
• Thymine
• Guanine
• Uracil

Adenine can only pair with ​ (a)   (and vice versa).

Guanine can only pair with ​ (b)   (and vice versa).

• thymine
• cytosine

The molecular structure of the 4 bases fall under two categories. What are they?

• adenine and guanine
• thymine and cytosine
• uracil and cytosine
• purines and pyrimidines

​ (a)   - double ring structures : adenine and​ (b)  

​ (c)   - single ring structures : ​ (d)   and cytosine are

• Purines
• guanine
• Pyrimidines
• thymine