All About DNA

Multiple Choice

DNA is in the...

• Membrane
• Ribosome
• Chloroplast
• Nucleus

Multiple Choice

When Cells reproduce, they need to replicate their...

• sugar
• membrane
• DNA
• emotions

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DNA Replication is the process of turning 1 DNA molecule into...

• 1 DNA molecule
• 2 DNA molecules
• 3 DNA molecules
• 4 DNA molecule

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Before DNA can replicate it has to...

• Separate the two strands
• Find 4 new strands
• Ask its mom

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When new nucleotides are added, Adenine pairs with

• Guanine
• Cytosine
• Adenine
• Thymine

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When new nucleotides are added, Cytosine pairs with

• Guanine
• Cystosine
• Adenine
• Thymine

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When new nucleotides are added, Thymine pairs with

• Guanine
• Cytosine
• Adenine
• Thymine

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A complex molecule containing the genetic information that makes up the chromosomes.

• deoxyribose

• deoxyribonucleic acid (DNA)

• nucleotide

• gene

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Two strands of nucleotides wound about each other; the shape of DNA.

• helix

• spiral

• double helix

• ladder

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When bases do not pair up correctly. It changes the genetic sequence.

• genetic mutation

• disease

• genetic error

• mutant

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This part of the nucleotide helps hold the DNA structure together.

• base

• deoxyribose

• guanine

• phosphate

Multiple Choice

How many nucleotides make up a codon?

• 1

• 3

• 5

• 15

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How many codons: AAU GCG AUG

• 9

• 1

• 3

• 15

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How many nucleotides? AAU GCG AUG

• 9

• 3

• 1

• 15

Multiple Choice

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

Multiple Choice

DNA codes for...

• cholesterol
• proteins
• fatty acids
• a sandwich

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Genes are found on...

• chromosomes
• alleles
• proteins
• anthers

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

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

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What two things are chromosomes made of?

• RNA

• proteins

• carbohydrates

• DNA

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An organism's genetic material is called:

• RNA

• nucleotides

• proteins

• DNA

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What is a segment of DNA on a chromosome called?

• nucleotide

• gene

• RNA

• protein

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What do scientists call the twisted zipper shape of DNA?

• double helix

• sphere

• helix

• double sphere

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Which two scientists in London that used X-rays to study DNA?

• Maurice Wilkins

• Francis Crick

• James Watson

• Rosalind Franklin

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Which two scientists built a model of DNA?

• Maurice Wilkins

• Francis Crick

• James Watson

• Rosalind Franklin

Multiple Choice

A molecule made of a nitrogen base, a sugar, and a phosphate group is called:

• proteins

• DNA

• nucleotides

• RNA

Multiple Choice

What are the four nitrogen bases?

• uracil (U), cytosine (C), thymine (T), guanine (G)

• adenine (A), uracil (U), thymine (T), guanine (G)

• adenine (A), cytosine (C), uracil (U), guanine (G)

• adenine (A), cytosine (C), thymine (T), guanine (G)

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The process of copying a DNA molecule to make another DNA molecule is called:

• replication

• translation

• transcription

• mutation

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What do we call the segments of DNA that are not parts of genes?

• genes

• smart DNA

• junk DNA

• proteins

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A type of nucleic acid that carries the code for making proteins from the nucleus to the cytoplasm is called:

• DNA

• proteins

• RNA

• genes

Multiple Choice

What does RNA have instead of thymine (T)?

• adenine (A)

• cytosine (C)

• guanine (G)

• uracil (U)

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What are the three types of RNA?

• messenger RNA (mRNA)

• insertion RNA (iRNA)

• transfer RNA (tRNA)

• ribosomal RNA (rRNA)

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The process of making a protein from RNA is called:

• replication

• transcription

• translation

• genetics

Multiple Choice

Where does translation occur?

• mitochondria

• cytoplasm

• nucleus

• ribosomes

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A change in the nucleotide sequence of a gene is called:

• replication

• translation

• mutation

• transcription

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Mutations can be triggered by what four things?

• X-rays

• ultraviolet light

• radioactive materials

• some kinds of chemicals

Multiple Select

What are the three types of DNA mutations?

• addition

• insertion

• deletion

• substitution