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WorksheetsDisease Storyline #2 Quiz
Total questions: 22
Worksheet time: 11mins
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
True or False: Having healthy tumor suppressor genes is an advantage to fighting cancer.
True
False
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
What gene is often mutated to become inactive which can lead to cancers?
p57
EVR 1
p53
telomerase
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
A nitrogen base is lost from the healthy DNA strand. What do we call this mutation?
substitution
insertion
point mutation
deletion
This repetitive DNA sequence, TTAGGG, found at the end of eukaryotic chromosomes is (a) ____
DNA polymerase
telomere
p53
cancer
Suppose someone has more telomerase activity than normal, what would this indicate about that person's cells? (select all answers that apply)
they could be cancerous
their cells could be immortal
their cells would die quickly
they may have long telomeres
What is apoptosis?
necrosis
phagocytosis
programmed cell death
inflammation of the cell
In relation to the cell cycle and cancer, a mutation in this gene is like having your foot stuck on the gas pedal.
oncogene
tumor suppressor gene
DNA repair gene
How many more copies of p53 gene do elephants have compared to humans?
2 times
40 times
20 times
10 times
What is the relationship between cancer rates and the body mass of animals?
The larger the animals the higher the cancer rates
The smaller the animal the lower the cancer rates
There is no correlation between cancer rates and body size
The small the animal the higher the cancer rates
What are two potential contributing factors that may lead to high rates of cancer in sea lions? (Select all that apply)
genetic factors
obesity
pollutants in the water
age
How is facial tumor disease spread between Tasmanian devils?
biting
virally passed on
grooming
through mating
The Hayflick limit involves
the size a cell can reach before dividing
a cell dividing about 50 times before it reaches senescence
telomeres lengthening with each cell division
None of the choices
In a healthy cell, if p53 identifies a mutation in the DNA of a cell it will
destroy it
not allow it to move to the next phase until it is repaired
allow the cell to continue dividing
attack and destroy the DNA
If the DNA of a gene reads as follows what would the final amino acid sequence be?
CAC - TGA - TTA - ATG
Histidine - Threonine - Lysine - Glycine
Histidine - Stop - Lysine - Methionine
Valine - Threonine - Asparagine - Tyrosine
Telomeres ___ with each cell division
lengthen
shorten
True/False: the more copies of p53 an organism has the more likely they will develop cancer.
True
False
