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

What is a monosaccharide?

1. AA single sugar unit, such as glucose
2. BA fat made of glycerol and fatty acids
3. CTwo sugars joined together, such as sucrose
4. DA chain of many amino acids

In the scientific name Homo sapiens, what does Homo name?

1. AThe genus
2. BThe species
3. CThe family
4. DThe kingdom

Which protein gives strength to skin, tendons and bone?

1. AMyosin
2. BHaemoglobin
3. CCollagen
4. DAmylase

Рослину з генотипом Aa схрещують із рослиною aa. Яка частка потомства матиме рецесивну ознаку?

1. AЖодна
2. B3/4
3. C1/4
4. D1/2

To insert a human gene into a bacterial plasmid, scientists cut both the gene and the plasmid with the same restriction enzyme. Why?

1. ASo the gene is turned into RNA
2. BSo both pieces become exactly the same length
3. CSo the plasmid loses all its genes
4. DSo the cut ends match and can join together

What happens in the lytic cycle of a virus?

1. AThe virus divides by binary fission outside the cell
2. BThe virus makes many copies in the host cell, which then bursts
3. CThe host cell makes antibodies against the virus
4. DThe viral DNA joins the host DNA and stays inactive for a long time

Схрещують дві рослини гороху, обидві AaBb. Гени розташовані на різних хромосомах. Яка частка потомства матиме обидві рецесивні ознаки (aabb)?

1. A9/16
2. B3/16
3. C1/4
4. D1/16

An old idea says giraffes got long necks because each one stretched to reach leaves and passed the longer neck to its young. Why is this idea rejected?

1. AOnly plants can pass on traits to offspring
2. BChanges acquired in a lifetime are not passed on in the genes
3. CGiraffes do not eat leaves from tall trees, so stretching is not needed
4. DNeck length is not affected by any genes