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

What is a Punnett square used for?

1. AShowing the order of genes on a chromosome
2. BCounting the chromosomes in a cell
3. CPredicting the possible genotypes of offspring
4. DMeasuring the size of a cell

What is the active site of an enzyme?

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

What does it mean that a cell membrane is selectively permeable?

1. AIt lets only water molecules cross
2. BIt lets no substance cross at all
3. CIt lets every substance cross freely in both directions
4. DIt lets some substances cross but not others

Golden rice was genetically modified to make beta-carotene. What is the aim?

1. ATo make the rice resistant to all insects
2. BTo make the rice grow faster in cold climates
3. CTo increase the protein content of the rice
4. DTo help prevent vitamin A deficiency

In a pedigree, a trait appears in every generation, and every affected child has at least one affected parent. Which inheritance pattern is most likely?

1. AAutosomal recessive
2. BX-linked recessive
3. CAutosomal dominant
4. DA new mutation in each generation

What is the role of ribosomal RNA (rRNA)?

1. AIt brings single amino acids to the ribosome
2. BIt carries the code from DNA to the ribosome
3. CIt stores genetic information in the nucleus
4. DIt forms part of the ribosome and helps join amino acids

A cell is 0,00002 m wide. Which value is equal to this width?

1. A0,2 mm
2. B20 µm
3. C2 µm
4. D200 µm

Добровольці п'ють 0, 100 або 200 mg кофеїну, і через 30 хвилин вимірюють їхній пульс. Що є залежною змінною?

1. A30-хвилинний час очікування
2. BСамі добровольці
3. CПульс через 30 хвилин
4. DДоза кофеїну