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

In an enzyme reaction, what is the substrate?

1. AThe product released at the end
2. BThe substance that the enzyme acts on
3. CThe gene that codes for the enzyme
4. DThe part of the enzyme that changes shape

Which protein gives strength to skin, tendons and bone?

1. AAmylase
2. BCollagen
3. CMyosin
4. DHaemoglobin

What are cilia?

1. AFolds of the inner mitochondrial membrane that make ATP
2. BShort hair-like projections that beat in waves
3. CSmall round sacs that hold digestive enzymes
4. DOpenings in the nuclear envelope

Yeast in bread dough breaks down sugar without oxygen. What does it produce?

1. AGlucose and oxygen
2. BLactic acid and carbon dioxide
3. COxygen and water
4. DEthanol and carbon dioxide

Why do root hair cells have long, thin extensions?

1. ATo anchor the plant firmly against strong winds and rain
2. BTo carry out photosynthesis underground
3. CTo increase the surface area for absorbing water
4. DTo store starch for the winter

A greenhouse is warm and brightly lit, but the air has very little carbon dioxide. What is most likely limiting the rate of photosynthesis?

1. AThe temperature
2. BThe number of stomata
3. CThe carbon dioxide concentration
4. DThe light intensity in the greenhouse

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

1. A3/16
2. B1/4
3. C1/16
4. D9/16

Why do phospholipids arrange themselves into a double layer in water?

1. AThey carry a strong positive charge on both ends
2. BThey are fully soluble in water
3. CTheir heads are hydrophobic and their tails are hydrophilic
4. DTheir heads are hydrophilic and their tails are hydrophobic