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

What is the active site of an enzyme?

1. AThe product formed by the reaction
2. BThe part of the cell where the enzyme is made
3. CThe region where the substrate binds
4. DThe gene that codes for the enzyme

What is a eukaryote?

1. AAn organism that lives only in extreme heat
2. BAn organism whose cells have a nucleus
3. CAn organism made of a single cell without a nucleus
4. DA virus that infects animal cells

What is transpiration?

1. AThe growth of roots towards water
2. BThe movement of sugars through the phloem to the roots
3. CThe taking in of CO₂ for photosynthesis
4. DThe loss of water vapour from the leaves of a plant

A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?

1. ACross it with a short (tt) plant
2. BCross it with another tall plant
3. CLet it grow for a longer time
4. DCross it with a TT plant

Матричний ланцюг ДНК має послідовність T-A-C. Який відповідний кодон мРНК?

1. AA-U-G
2. BA-T-G
3. CU-T-G
4. DT-A-C

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ASeedlings given salt water will grow less than those given plain water
2. BSeedlings given plain water will die within a week
3. CBean seedlings need sunlight and water to grow well
4. DSalt water is made of sodium chloride and water

The wings of a bat and the wings of a butterfly are used for flying but have very different structures. What are they called, and what does this show?

1. AVestigial structures, which no longer have a function
2. BAnalogous structures, which evolved separately for the same job
3. CHomologous structures, which have the same bones inside
4. DHomologous structures, which were inherited from a shared ancestor

A large molecule contains carbon, hydrogen, oxygen, nitrogen and phosphorus. Its monomers each have a sugar and a base. What type of molecule is it?

1. AA protein
2. BA nucleic acid
3. CA lipid
4. DA carbohydrate