DNA Structure

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the chemical code for all the proteins in living things

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

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

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

What are the 4 nitrogenous bases in DNA?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and gylcerol

• adenine, thymine, cytosine, and glucose

What is the name of the 3-part subunits or building blocks that are used to assemble DNA?

• Nucleotide

• Nucleic acid

• Nitrogenous base

• Nucelosome

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

• cytosine
• guanine
• thymine
• uracil

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogen base

• nucleic acid

• cholesterol

• fatty acid

Watson and Crick were the first to suggest that DNA is _____

• a short molecule
• the shape of a double helix
• a protein molecule
• the genetic material

Which base pairs with adenine

• thymine
• cytosine
• guanine
• adenine

Which base pairs with guanine

• adenine
• cytosine
• guanine
• thymine

What sugar is in the structure of DNA

• Lactose
• Deoxyribose
• glucose

• fructose

Tags

NGSS.HS-LS1-6