Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

What is an organism's genome?

1. AThe proteins made by one cell
2. BThe traits that can be seen
3. CA single gene on one chromosome
4. DAll of its genetic material

What is a karyotype?

1. AA list of all the proteins that a cell makes during its life
2. BA diagram of a family's inheritance pattern
3. CA map of the organelles inside a cell
4. DA picture of a cell's chromosomes arranged in pairs by size

What is the main material in the cell walls of fungi?

1. ACollagen
2. BPeptidoglycan
3. CCellulose
4. DChitin

HIV is a retrovirus. What does its enzyme reverse transcriptase do?

1. AIt makes proteins from the virus's DNA
2. BIt makes DNA from the virus's RNA
3. CIt breaks down the host's ribosomes
4. DIt makes RNA from the host's DNA

A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?

1. ANo protein can be made at all
2. BEvery amino acid after the deletion is changed to a new one
3. CThe protein lacks one amino acid but the rest is unchanged
4. DThe protein becomes three times longer

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AO or AB
2. BA or B
3. CA, B, AB or O
4. DO only

After a meal, blood glucose rises. Which response brings it back to normal?

1. AThe pancreas releases glucagon, and the liver releases glucose
2. BThe kidneys release insulin into the urine
3. CThe pancreas releases insulin, and cells take up glucose
4. DThe liver stops storing glycogen and releases more glucose

A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?

1. A6
2. B3
3. C4
4. D2