DNA Structure

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and

  A, T,C, or G

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base (A,T,C,G)

• sugar, oxygen, nitrogen base (A,T,C,G)

• sugar, phosphate, nitrogen base (A,T,C,G)

• sugar, phosphate, protein

Which atom is NOT found in DNA?

• Nitrogen

• Carbon

• Phosphorous

• Sulfur

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which part of a cell is DNA usually found in?

• cell membrane
• nucleus

Which sequence of complementary DNA bases would pair with this partial strand ATG TGA (i.e .what would be the other side of this DNA strand)?

• ATG TGA

• TAC ACT

• GTA AGT

• CAT TCA

If a strand of DNA is composed of 30% of Thymine (T), then how much ADENINE (A) would be present?

• 30%

• 20%

• 80%

• 10%

Identify #2.

• nitrogen base

• phosphate group

• deoxyribose

• nucleotide

The sugar in DNA is...

• Glucose

• Deoxyribose

• Starch

Why is DNA important?

• it is very small and very complicated

• it's in everything

• It is the code for amino acids leading to proteins

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Polypeptides are strings of ​ (a)   and DNA is a string of ​ (b)   .

• amino acids
• Nucleotides
• Carbon
• Sugar

Tags

NGSS.HS-LS1-1