Science Quiz: DNA

1. What is the actual shape of the DNA molecule?

Spiral

Twisted Circle

Square

Double helix

2. What Nitrogen Bases always bond together?

A&C and T&G

C&G and A&S

A&T and G&C

C&F and G&C

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4. Who are the two scientists who shared the Nobel prize for their work on this molecule.

James Watson and Francis Crick

James Watson and Joe Alexandra

James Williams and Francis Crick

James Williams and Francis Martin

5. What part of the animal OR plant cell is the DNA found in?

Golgi Body

Cytoplasm

Cell Membrane

Nucleus

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7. Why does the DNA of a bacteria float around inside the cell, rather than be confirmed in a nucleus?

The bacteria can't detect the DNA's info.

Bacteria does not have a nucleus.

It is not small enough to fit inside bacteria.

8. The sequence of nucleotides is the code that controls the production of all______in an organism. Fill in the blank.

Proteins

DNA

Ribosomes

Nitrogen Bases

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10. What is the third step in the Replication process?

Breaks apart again. (Polymerase)

True Love (Helicase)

Sugar bonds (Polymerase)

They reproduce. (Phosphate)

11. What is step one also called?

Polymerase

Phosphate

Helicase

Nitrogen

12. How many hours does it take to replicate a DNA molecule in a human cell?

6 hours.

10 minutes.

A week.

7 1/2 hours.

13. DNA, or deoxyribonucleic acid, is a molecule that carries genetic information and has a double ______ structure.

The double helix structure of DNA, resembling a twisted ladder, is crucial for its function in storing and transmitting genetic information. The two strands of the helix are held together by complementary base pairing, ensuring accurate replication and transmission of genetic code from one generation to the next.

Explanation

The double helix structure of DNA, resembling a twisted ladder, is crucial for its function in storing and transmitting genetic information. The two strands of the helix are held together by complementary base pairing, ensuring accurate replication and transmission of genetic code from one generation to the next.

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