DNA

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

• oxygen
• hydrogen
• nitrogen
• carbon

The backbone of a DNA molecule is made from a 5 carbon ______________ and a _______________ group.

• lipid, carbon

• sugar, phosphate

• nitrogen, oxygen

• nitrogen, sulfur

Tags

NGSS.HS-LS1-6

What are the four nitrogen bases?

• adenine, thymine, guanine, cytosine
• adenine, lysine, prolene, guanine
• arganine, cytosine, lysine, purine
• lysine, cytosine, lucine, guanine

The shape of the DNA molecule is a double __________________?

• "S"
• helix
• rope
• curve

The sugar in DNA is ?

• sucrose
• glucose
• deoxyribose
• fructose

When DNA makes a copy of itself, the new strands are identical or different?

• identical
• different

Tags

NGSS.HS-LS3-2

DNA makes a copy of itself in a process called ________________________________?

• translation

• replication

• transcription

• division

Tags

NGSS.HS-LS3-2

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

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Tags

NGSS.MS-LS3-1

In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.

• cytosine
• guanine
• thymine
• uracil

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1