Standard 3C.1 DNA, Replication

Multiple Choice

What is the shape of DNA?

• Double helix
• Triple helix
• Flat, bilayer
• Three-pronged rigid ladder

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

Nitrogenous bases are joined by which type of bond?

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

Multiple Choice

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Multiple Choice

Where in a cell is DNA found?

• Cell Wall

• Mitochondria

• Chloroplast

• Nucleus

Multiple Choice

Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Adenine -

• Thymine

• Guanine

• Cytosine

Labelling

Label the nucleotide

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Nitrogenous base

Sugar

Phosphate

Labelling

Label the following parts in the DNA molecule .

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Nucleotide

Nitrogenous Base

nucleotide

deoxyribose

Deoxyribose

hydrogen bond

nitrogenous base

Hydrogen Bond

phosphate

Multiple Choice

Who said, "The amount of A = the amount of T, and the amount of G = the amount of C"?

• Chargaff
• Avery
• Griffith
• Franklin

Multiple Choice

If a section of DNA has 13% thymine, then there is _____ adenine

• 13%
• 26%
• 37%
• 74%

Multiple Choice

Built models to determine that DNA was a double helix shape with base pairs A-T and G-C in rungs between the sugar/phosphate backbone of DNA.

• James Watson & Francis Crick

• Rosalind Franklin

• Maurice Wilkins

• Linus Pauling

• Erwin Chargaff

Multiple Choice

Bundles of tightly coiled DNA

• Chromosome

• Genes

• Traits

• Nucleus

Multiple Choice

The material that exists in every cell in your body that holds your genetic code. It Is like your body’s cookbook.

• Gene

• DNA

• Chromosome

• Trait

Multiple Choice

Sections of DNA that contain the set of instructions that control how our body grows and works and controls many of our characteristics.

• Chromosome

• Nucleus

• Genes

• Cell

Labelling

Label the following terms: Cell, DNA, Chromosome, Nucleus, Gene

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chromosome

nucleus

DNA

gene

cell

Multiple Choice

Place the following in sequential order
1. Recoil
2. Straightens the double helix
3. Breaks Hydrogen bonds
4. Adds Free nucleotides

• 1, 2, 3, 4
• 3, 4, 2, 1
• 3, 2, 4, 1
• 2, 3, 4, 1

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

DNA replication results in

• 2 completely new DNA molecules

• 2 DNA molecules that each contain a strand of the original

• 1 new DNA molecule and 1 old

• 1 new molecule of DNA

Multiple Choice

The enzyme that unwinds the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

Multiple Choice

Which enzyme is responsible for adding nucleotides ("The Builder")?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

Multiple Choice

The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative

Multiple Choice

The process of DNA replication is called semi conservative because it results in

• none of these
• Two DNA molecules.  One original molecule and one with two new strands
• two exact copies with new strands
• two identical molecules, each with 1 original strand and one new.

Multiple Choice

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Multiple Choice

Using this DNA sequence ATA CGA GGA TTT, what is the complementary RNA sequence will be

• UAU GCU CCU AAA

• UAU GCU CCU TTT

• TAT GCT CCT AAA

• TAT GCT CCT TTT