6.7 - 6.9 Hayflick limit, p53 Gene and Cancer (Storylining)

What can cancer cells do that normal cells cannot?

• they do everything the same

• they regenerate their telomeres, preventing them from aging

• they go through cellular division

• they grow

Tags

NGSS.HS-LS1-4

True or False: Having healthy tumor suppressor genes is an advantage to fighting cancer.

• True

• False

Tags

NGSS.HS-LS3-2

What is the complementary mRNA strand for the following DNA strand? TGA GTT TGT

• CAU CAA ACA

• ACU CGG ACA

• ACU CAA ACA

• ACT CAA ACA

What is the mutation present in the following DNA strands?

TGA ATG GAC

TGA ACG GAC

• insertion of Cytosine

• deletion of Thymine

• substitution of Cytosine to Adenine

• substitution of Thymine to Cytosine

Tags

NGSS.HS-LS3-2

What gene is often mutated to become inactive which can lead to cancers?

• p57

• EVR 1

• p53

• telomerase

Tags

NGSS.HS-LS3-2

The scientist who said that cells lose DNA with each cell division and therefore will only divide a finite number of times is

• James Watson

• Leonard Hayflick

• Albert Einstein

• Rachel Carson

What purpose do telomeres serve (select all that apply)?

• they protect the coding regions of chromosomes

• they code for proteins

• they help cancer progress

• they help maintain genome stability

Use the codon wheel to determine the amino acid sequence below:

AUU CCG UUG GAG

• Methionine - Leucine- Leucine - Aspartic Acid

• Isoleucine - Proline - Leucine -Aspartic Acid

• Isoleucine - Proline - Leucine -Glutamic Acid

• Asparagine - Arginine - Phenylalanine - Glycine

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

A nitrogen base is lost from the healthy DNA strand. What do we call this mutation?

• substitution

• insertion

• point mutation

• deletion

Tags

NGSS.HS-LS3-2

This repetitive DNA sequence, TTAGGG, found at the end of eukaryotic chromosomes is (a) ____

• DNA polymerase

• telomere

• p53

• cancer