Activity 5 DNA extraction

Question 1

very important molecule found in all living cells and often described as the blueprint of an organism

Answer 1

Deoxyribonucleic acid (DNA)

Question 2

Cheek cells are easily removed

With a pure sample of DNA you can test (3)

Answer 2

Genetic disease

Forensiv evidence

Study a gene involved in cancer

Question 3

Amount of detergent to the test tube after swirling mouth in gatorade ___

Pour until half ful

Answer 3

0.5 ml

Question 4

Purpose of detergent (2)

Answer 4

Break up lipids like in the

Cell membrane

Nuclear membrane

Question 5

You need to add this and let it sit for 10 minutes

When DNA is stretched out it would be __ meters long

It is a ___

Answer 5

Meat tenderizer

2-3 meters long

Protease

Question 6

____ is applied later on for about 2 cm so the DNA clumps there

It reduces the ___ of DNA

Answer 6

Cold rubbing alcohol

Solubility

Question 7

Gatorade is ___ and the ___ help clump together the protein fragments

Answer 7

Isotonic

salt ions

Question 8

Where is protease found?

Answer 8

Pancreas
Stomach
Intestines

Liver
Kidneys
Muscles

Question 9

Parts of a nucleotide (3)

Answer 9

five-carbon sugar molecule called deoxyribose

Phosphate group

Nucleobases

Question 10

Identical among all organisms

Answer 10

Sugar-phosphate arrangement in the backbone of DNA

Question 11

Why is Adenine paired with Thymine

and

Why is Cytosine paired with guanine?

Answer 11

Chargaff’s rule. Integral to replicate each DNA molecule

Question 12

How many chromosomes in the human body to retain the genetic blueprint

Answer 12

46 chromosomes

Question 13

Function of DNA (5)

Answer 13

Genetic material of living organisms

Store and transmit genetic information

Regulates gene expression

Blueprint for organism construction

Govern bodily functions