first category
second catagory
middle catagory
third catagory
fourth catagory
100

the nucleus

where is DNA found?

100

It's paired with adenine

What is thymine paired with?

100

It is paired with Guanine

What is Cytosine paired with?

100

Ribonucleic acid

what does RNA stand for?

100

The first step is for the DNA strands to split.

What is the first step in DNA division?

200

It must make 2 copies of itself.

What does the DNA have to do before a cell divides?

200

Carry out tasks for building and maintaining the cell

What is the role of proteins?

200

23 chromosomes each

How many chromosomes do you gain from each of your parents?

200

Deoxyribonucleic acid

What does DNA stand for?

200
It glues DNA fragments together

What does Ligase do?

300

Adenine, Thymine, Cytosine and Guanine

What are the four nitrogen bases contained in DNA?

300

Adenine, cytosine, guanine, and thymine

What are the nitrogen bases called?

300

Making proteins and RNA

What does DNA contain the instructions for?

300

XY chromosomes

If you were born male, what combination of chromosomes do you have?

300

It breaks the hydrogen bonds holding the strands of DNA together

What is the role of DNA helicase?

400

A double helix

What phrase describes the shape of a DNA strand?

400

It determines your inherited characteristics.

What does DNA determine?

400

In the synthesis stage

In what phase of the cell does DNA duplicate?

400

It is called the unzipping enzyme

What is the "nickname" of the enzyme Helicase?

400

They synthesize the lagging strand.

What is the function of the Okazaki fragments?

500

99.5%

What percent of DNA sequences are identical?

500

Phosphate, deoxyribose, and nitrogen bases

What is the backbone of DNA made of?

500

They are called Nucleotides.

What are the monomers of DNA called?

500

it starts at the origin.

Where does DNA replication start?

500

It keeps the DNA from coiling

What is the function of topoisomerase? 

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