Mutations Vocabulary

It took almost____ years after the discovery of DNA for scientists to figure out that it looks like a twisted ladder.

100.

A mutation can occur if a base pair is_____, deleted, or substituted for another.

Added.

DNA has 4 kinds of bases and they are...

Adenine,Thymine,Guanine,Cytosine.

The use of drugs to treat disease called...

Cancer.

DNA is called...

Deoxyribonucleic

The twisted ladder structure of DNA is also known as ______ _______

Double Helix.

Cancer is a disease in which cells divide slowly.

False uncontrolably

Molecules that contain nitrogen and other elements

Nitrogen.

Cancer is treated with surgery,______, and drugs that can destroy the cancer cells.

Radiation.

Cancer causes the growth of tumors.

True

If chromosomes do not separate correctly during the formation of sex cells, the organism that forms can end up with too many or too few chromosomes.

True

Mutations are sometimes helpful to the organism.

True

Scientists think that cancer begins when something damages a cells protiens.

True

Rosalind Franklin discovered that DNA could exist in a_____ form and a____ form.

Wet and Dry.

Cancer

a tumor that has at lease a few cells that have lost all semblance of orginieation, structure and regularoty control.

Tumor

an abnormal(uncontrolled) proliferation of cells.

Mutation

any change in the nucleotide sequence of DNA.

A mutation can be passed to offspring only if it takes place in a...

sex cell.

DNA Replication

the process in which an identical copy of a DNA strand is formed for a new cell.

Chemotherapy

treatment of disease by the use of chemical substances, especially the treatment of cancer by cytotoxic and other drugs.