DNA Structure & Replication

What are the chemical components of a DNA nucleotide?

• a phosphate, a sugar, and a nitrogenous base.

• a phosphate, a nitrogenous base, and an amino acid

• a nitrogenous base, a sugar, and an amino acid

• carbon atoms in sugars

What would be the complimentary strand to the nucleotide sequence?

C-T-A-C

• AGCA

• CTAC

• TCGT

• GATG

the building block of DNA is___?

• amino acid

• nucleotide

• glycerol group

• fatty acids

The type of sugar in DNA is ___________ sugar

• Ribose

• Fructose

• Maltose

• Deoxyribose

In a strand of DNA, if it contains 20% of Thymine, then how much Guanine would be present?

• 30%
• 20%
• 80%
• 10%

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

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

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription

Tags

NGSS.HS-LS3-2

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.MS-PS1-1