DNA Mutations and Cancer

Questão 1 de 24

1

Polyribosomes are:

Selecione uma das seguintes:

Multiple ribosomes along a string of mRNA simultaneously copying the message to create proteins.
Ribosomes that enter the nucleus to copy and transcribe DNA strands.
Multiple ribosomes that copy a mRNA strand one at a time - one ribosome must finish copying the strand before the next can start.
The organelles in the cell where ribosomes are manufactured and distributed from.

Explicação

Questão 2 de 24

1

The DNA from ONE cell in the human body, when stretched out, is the length of:

Selecione uma das seguintes:

2 metres.
2 light years.
The approximate length of the cell.
20 cm.

Explicação

Questão 3 de 24

1

Every genetic mutation results in a displaying phenotype.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 4 de 24

1

DNA replication is a perfect process - Each copy of the DNA is completely identical to the DNA it was created from.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 5 de 24

1

Cancer, despite having been around for a long period of time, has been an extremely difficult disease to eradicate. This is because: (check all applicable answers)

Selecione uma ou mais das seguintes:

Cancer is not caused by one specific mutation, but many, many small mutations.
While cancer is commonly weak to the human immune system, it can use other proteins to 'hide' itself, stopping the immune system from noticing and eliminating it.
Even if doctors remove the affected area, there is no guarantee metastatic cells haven't already left the area.
Cancer is always active throughout the entire body - there is no localization of it, so it cannot be removed.
Cancer has its own DNA repairers, and can easily repair any damage done to it by the immune system.

Explicação

Questão 6 de 24

1

Even if DNA mutates, the cell has a natural process of searching for and fixing mutated strands called the:

Selecione uma das seguintes:

DNA Repair.
Mutation Removal.
Mutational Cease and Desist.
DNA spliceation.

Explicação

Questão 7 de 24

1

Mutation is:

Selecione uma das seguintes:

Any spontaneous change in an organism's DNA sequence.
A negative affliction occuring to an organism on the cellular level.
A genetically undesirable, hereditary trait.
The dominant gene from each pair of chromosomes.

Explicação

Questão 8 de 24

1

The polyribosomes move long the string of mRNA in the direction 3' to 5'.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 9 de 24

1

A mutation can become a heritable, genetic mutation when it occurs:

Selecione uma das seguintes:

In any part of the body.
In the sperm or ovum.
On the surface of the skin.
As the sperm and ovum form the zygote.

Explicação

Questão 10 de 24

1

Consider this image of a rainbow bead necklace. If we were comparing it to the protein production process, it would be most appropriate to say that:

Selecione uma das seguintes:

The black cord represents the mRNA, and the beads represent the polyribosomes.
The beads represent the mRNA, and the black cord represents the polyribosomes.
The black cord represents the DNA, and the beads represent the mRNA.
The black cord represents the proteins, and the beads represent the DNA polymerase.

Explicação

Questão 11 de 24

1

The most common type of mutation is:

Selecione uma das seguintes:

Point mutation
Insertion mutation
Deletion mutation
Sharp mutation

Explicação

Questão 12 de 24

1

Consider the sentence: THE BAT HAD THE HAT. If this were to be a gene sequence, the sentence that would best represent a deletion mutation would be:

Selecione uma das seguintes:

THE BAT HAD THE CAT.
THE CAT HAD THE HAT.
THE BAT ADT HEH AT.
THH EBA THA DTH EHA T.

Explicação

Questão 13 de 24

1

Selecione das listas do Menu para completar o texto.

Point mutations can be broken down into three different types. Silent mutations are mutations that ( do not change the amino acid sequence, do cause change in the sequence, are not really mutations ) of the protein. Missense mutations are mutations that ( cause changes in the amino acid, do not change the amino acid, create a stop in the amino acid ) sequence of the protein. Lastly, Nonsense mutations ( cause a stop in the amino acid sequence, do not change the amino acid sequence, change the amino acid sequence ) of the protein.

Explicação

Questão 14 de 24

1

Insertion or deletion mutations result in a 'frameshift' mutation that affects all of the following amino acid sequences.

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 15 de 24

1

Commonly, patients with sickle cell anemia will not get malaria. This is because:

Selecione uma das seguintes:

The sickle cells do not carry enough oxygen to be good hosts for the malaria parasite.
Malaria and sickle cell anemia affect different regions in the world.
Patients with sickle cell anemia do get malaria.

Explicação

Questão 16 de 24

1

The protein formed from an amino base sequence is determined in sets of:

Selecione uma das seguintes:

One base.
Two bases.
Three bases.
Four bases.

Explicação

Questão 17 de 24

1

The amount of cells produced in the human lifespan is equal to:

Selecione uma das seguintes:

10^16
10^14
12^14
12^16

Explicação

Questão 18 de 24

1

Lung cancer became a much more prominent issue around the 1920s. This is because:

Selecione uma das seguintes:

Humans as a species became more vulnerable to cancers of the lung around this time.
Cigarettes became more frequently consumed approximately 20 years previous.
Lung cancer did not become more prominent around the 1920s.
The trend of inhaling helium became more frequent around this time.

Explicação

Questão 19 de 24

1

Approximately this many people die from smoking habits in the US each year.

Selecione uma das seguintes:

480,000.
120,000.
20,000.
250,000.

Explicação

Questão 20 de 24

1

What is the leading cause of cancer deaths in the United States?

Selecione uma das seguintes:

Prostate cancer.
Colon cancer.
Breast cancer.
Lung cancer.

Explicação

Questão 21 de 24

1

	Criado por Brianna Murphy mais de 7 anos atrás

A brief quiz on information from the lectures: Oct 25, Nov 1, Nov 3.

DNA Mutations and Cancer

Questão 1 de 24

Polyribosomes are:

Selecione uma das seguintes:

Explicação

Questão 2 de 24

The DNA from ONE cell in the human body, when stretched out, is the length of:

Selecione uma das seguintes:

Explicação

Questão 3 de 24

Every genetic mutation results in a displaying phenotype.

Selecione uma das opções:

Explicação

Questão 4 de 24

DNA replication is a perfect process - Each copy of the DNA is completely identical to the DNA it was created from.

Selecione uma das opções:

Explicação

Questão 5 de 24

Cancer, despite having been around for a long period of time, has been an extremely difficult disease to eradicate. This is because: (check all applicable answers)

Selecione uma ou mais das seguintes:

Explicação

Questão 6 de 24

Even if DNA mutates, the cell has a natural process of searching for and fixing mutated strands called the:

Selecione uma das seguintes:

Explicação

Questão 7 de 24

Mutation is:

Selecione uma das seguintes:

Explicação

Questão 8 de 24

The polyribosomes move long the string of mRNA in the direction 3' to 5'.

Selecione uma das opções:

Explicação

Questão 9 de 24

A mutation can become a heritable, genetic mutation when it occurs:

Selecione uma das seguintes:

Explicação

Questão 10 de 24

Consider this image of a rainbow bead necklace. If we were comparing it to the protein production process, it would be most appropriate to say that:

Selecione uma das seguintes:

Explicação

Questão 11 de 24

The most common type of mutation is:

Selecione uma das seguintes:

Explicação

Questão 12 de 24

Consider the sentence: THE BAT HAD THE HAT. If this were to be a gene sequence, the sentence that would best represent a deletion mutation would be:

Selecione uma das seguintes:

Explicação

Questão 13 de 24

Selecione das listas do Menu para completar o texto.

Explicação

Questão 14 de 24

Insertion or deletion mutations result in a 'frameshift' mutation that affects all of the following amino acid sequences.

Selecione uma das opções:

Explicação

Questão 15 de 24

Commonly, patients with sickle cell anemia will not get malaria. This is because:

Selecione uma das seguintes:

Explicação

Questão 16 de 24

The protein formed from an amino base sequence is determined in sets of:

Selecione uma das seguintes:

Explicação

Questão 17 de 24

The amount of cells produced in the human lifespan is equal to:

Selecione uma das seguintes:

Explicação

Questão 18 de 24

Lung cancer became a much more prominent issue around the 1920s. This is because:

Selecione uma das seguintes:

Explicação

Questão 19 de 24

Approximately this many people die from smoking habits in the US each year.

Selecione uma das seguintes:

Explicação

Questão 20 de 24

What is the leading cause of cancer deaths in the United States?

Selecione uma das seguintes: