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

What are round (spherical) bacteria called?

1. AVibrios
2. BBacilli
3. CCocci
4. DSpirilla

In an enzyme reaction, what is the substrate?

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

Which codon signals the start of translation in most genes?

1. AUGA
2. BUAA
3. CAUG
4. DUAG

Which statement best describes biological evolution?

1. AChange in the inherited traits of a population over generations
2. BGrowth of an organism from a single zygote to a fully grown adult
3. CMovement of animals to a new habitat each year
4. DChange in the body of one organism during its lifetime

Чому грампозитивні бактерії забарвлюються у фіолетовий колір за Грамом?

1. AВони містять хлорофіл
2. BЇхня тонка стінка вкрита зовнішньою мембраною, багатою на ліпіди
3. CЇхня товста пептидоглікова стінка утримує фіолетовий барвник
4. DВони взагалі не мають клітинної стінки

Why do plants wilt when the soil around their roots becomes very salty?

1. AWater leaves the root cells by osmosis
2. BSalt makes the root cells swell and burst
3. CSalt blocks sunlight from reaching the leaves
4. DThe roots take in too much water

A human body cell has 46 chromosomes in G1. How many chromatids does it have at metaphase of mitosis?

1. A92
2. B23
3. C184
4. D46

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