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

Phosphate

Sugar

Labelling

Label the following parts in the DNA molecule .

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nucleotide

nitrogenous base

deoxyribose

phosphate

hydrogen bond

Hydrogen Bond

Nitrogenous Base

Nucleotide

Deoxyribose

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

Drag labels to their correct position on the image

nucleus

gene

DNA

cell

chromosome

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