DNA Structure, Function & Replication Review

What is the base sequence of strand X?

• A. G-T-A-C

• B. T-G-C-A

• C. G-T-C-A

• D. A-T-C-G

If one strand of DNA molecules has a base sequence of A-G-C-T-A, the complementary strand of DNA would have the base sequence

• 1. A-G-C-T-A

• 2. U-C-G-A-T

• 3. U-C-G-A- U

• 4. T-C-G-A-T

What is the name of the basic unit of DNA containing a sugar, a phosphate and one of four nitrogen bases?

• 1. Adenine

• 2. Nucleotide

• 3. Helix

• 4. RNA

What is the name of the five carbon sugar found in DNA?

• 1. deoxyribose

• 2. glucose

• 3. phosphate

• 4. protein

According to the Base Pair rule, Cytosine always pairs with

• Adenine

• Uracil

• Thymine

• Guanine

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Which organelle is DNA usually found in?

• mitochondrian
• cell membrane
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

DNA codes for...

• bases
• proteins
• amino acids
• phosphates

Tags

NGSS.HS-LS1-1

If a section of DNA has 13% thymine, then there is _____ adenine

• 13%
• 26%
• 37%
• 74%

If there is 29% guanine in a section of DNA, then there is _____ thymine

• 21%
• 29%
• 42%
• 58%