DNA

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

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

X outlines a(n) ___________.

• amino acid

• nitrogen base 

• nucleotide

• nitrogen base pair

Tags

NGSS.HS-LS1-1

Identify #2.

• nitrogen base

• phosphate group

• deoxyribose sugar

• nucleotide

Tags

NGSS.HS-LS1-1

If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?

• 29%

• 58%

• 21%

• I have no idea.

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and gylcerol

• adenine, thymine, cytosine, and glucose

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

In eukaryotes, which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.

• oxygen

• hydrogen

• nitrogen

• carbon