DNA Structure
Calculating DNA Percents
Gene Expression
DNA Replication
100

Identify the section of DNA

gene

100

If 15% of a DNA sample is made up of thymine T, what percentage of the sample size is cytosine A?

15%

100

Can you define gene expression?

Gene expression is when genes are turned on and off due to internal and external factors.

100

Where does DNA Replication occur?

The nucleus

200

Identity the four kinds of nucleotide

Adenine (A)

Guanine (G)

Cytosine (C)

Thymine (T)

200

If 15% of a DNA sample is made up of thymine T, then what percentage of the sample is made up of cytosine? C

35%

200

Do you agree or disagree with the following statement "Differentiation leads to all cells having different sets of chromosomes.

No, all cells have the same chromosomes and it depends on which genes are turned for cells to have a specialized function.

200

Why do you think DNA needs to replicate?

Growth, repair and reproduction

300

DNA looks like a spiraling ladder called a

double helix

300

What molecules help the process of DNA replication?

Enzymes unwind the DNA template being copied, and after replication another enzyme recoils the DNA.

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