The Genetic Code: Ch 4 L 1

The Genetic Code

Chapter 4 Lesson 1p. 108-113

Multiple Choice

What is DNA made up of?

• Sugar Molecules

• Phosphate Molecules

• Sugar & Phosphate Molecules

Multiple Choice

The shape of DNA.

• double helix

• nucleotide

• DNA polymerase

• single stranded

Multiple Choice

What is the full name of DNA?

• Deoxyribonucleic Acid

• Deoxyriionucleic Acid

• Dexyribonucleic Acid

Multiple Choice

What is the correct order from smallest to largest?

• Chromosome-Cell-DNA-Nitrogen Bases

• Cell-Chromosome-Nitrogen Bases-DNA

• Cell-Chromosome-DNA-Nitrogen Bases

Multiple Choice

What is a molecule that contains nitrogen and other elements?

• Nitrogen base

• Adenine base

• Thymine base

Multiple Choice

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Multiple Choice

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Multiple Choice

What is the name given to part of a DNA molecule that codes for a protein?

• Glucose

• Chromosome

• Gene

• Phosphate

Multiple Choice

How many bases codes for one amino acid?

• Two

• Four

• Three

Multiple Choice

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

• Replication
• Translation
• Transcription

Multiple Choice

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

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

Multiple Choice

What is the purpose of DNA replication?

• Cut the DNA 
• Make more cells
• Apoptosis
• Duplicate the DNA

Review Questions

Multiple Choice

Why does DNA replicate?

• To create another copy for the new cell
• To create a duplicate copy in case the original gets damaged
• To create a new copy to replace the damaged original

Multiple Choice

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

• Replication
• Translation
• Transcription

Multiple Choice

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

Multiple Choice

How many nucleotides make up a codon?

• 1

• 3

• 5

• 15

Multiple Choice

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Multiple Choice

Genes are found on...

• chromosomes
• alleles
• proteins
• anthers

Multiple Choice

DNA codes for...

• cholesterol
• proteins
• fatty acids
• a sandwich

Multiple Choice

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

Multiple Choice

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

Multiple Choice

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Multiple Choice

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Multiple Choice

Which of the following best describes a DNA molecule?

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