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

Чому вірус не може розмножуватися самостійно?

1. AЙому потрібен апарат клітини-хазяїна, щоб створювати копії
2. BВін ділиться лише мейозом
3. CВін розмножується лише на сонячному світлі
4. DВін не має жодного генетичного матеріалу — ні ДНК, ні РНК

What is the cytoplasm?

1. AThe fluid found only inside the nucleus
2. BThe jelly-like contents between the membrane and nucleus
3. CThe space between two neighbouring cells
4. DThe stiff outer layer of cellulose that surrounds a plant cell

What is a trait that is controlled by many genes called?

1. AA polygenic trait
2. BA codominant trait
3. CA sex-linked trait
4. DA recessive trait

After gel electrophoresis, which DNA fragments are found furthest from the wells?

1. AThe fragments with the most guanine
2. BThe fragments with the most adenine
3. CThe smallest fragments
4. DThe largest fragments

What is the function of the pores in the nuclear envelope?

1. AThey attach the nucleus to the cell membrane
2. BThey make ribosomal RNA for the cell
3. CThey let chromosomes leave the nucleus to be copied
4. DThey let molecules such as mRNA pass in and out

The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?

1. AThey have the same function
2. BThey are the result of acquired traits
3. CThey evolved completely separately
4. DThey share a common ancestor

A leaf with green and white areas is kept in light and then tested with iodine. Only the green areas turn blue-black. What does this show?

1. AIodine destroys chlorophyll in the leaf
2. BWhite areas store more starch than green areas
3. CChlorophyll is needed for photosynthesis
4. DLight is not needed for photosynthesis

Two parents are both carriers of cystic fibrosis, an autosomal recessive disorder. They have three children. What is the probability that none of the three is affected?

1. A3/4
2. B9/16
3. C27/64
4. D1/64