Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами

Бесплатный лист заданий для печати по теме «Биология для вступительных экзаменов на сестринские программы»: 8 задач от простых до экзаменационного уровня, с ответами. Распечатайте его или сохраните как PDF.

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1.Лёгкая

What is true of a recessive allele?

  1. AIt is always harmful to the organism
  2. BIts trait shows only when two copies are present
  3. CIts trait shows whenever one copy is present
  4. DIt is found only on the X chromosome
2.Лёгкая

What does the polymerase chain reaction (PCR) do?

  1. AIt cuts DNA at specific sequences
  2. BIt makes many copies of a piece of DNA
  3. CIt separates proteins by their charge
  4. DIt turns RNA into protein
3.Лёгкая

Which of these hormones is a steroid?

  1. AGlucagon
  2. BInsulin
  3. CTestosterone
  4. DGrowth hormone
4.Средняя

What is the main role of inflammation after an injury?

  1. ATo stop all blood flow to the area so that bleeding ends
  2. BTo make antibodies inside the damaged cells
  3. CTo bring more blood and white blood cells to the area
  4. DTo destroy the healthy cells around the wound
5.Средняя

What is a random sample?

  1. AA group where everyone in the population has an equal chance of being chosen
  2. BA group made only of people who volunteer to take part
  3. CA group chosen because they are likely to support the hypothesis
  4. DA group chosen by the researcher because they are easy to reach and willing
6.Средняя

Many vitamins act as coenzymes. What does this mean?

  1. AThey are built into the cell membrane
  2. BThey are digested to release large amounts of energy
  3. CThey replace enzymes that have been denatured
  4. DThey help enzymes carry out their reactions
7.Сложная

Under the microscope, homologous chromosomes are moving to opposite poles, and each is still made of two chromatids. Which stage is this?

  1. AProphase of mitosis
  2. BAnaphase I of meiosis
  3. CAnaphase of mitosis
  4. DAnaphase II of meiosis
8.Сложная

HIV infects and destroys helper T cells. Why do people with untreated advanced HIV get infections that healthy people rarely get?

  1. ATheir immune response is too weak to control normally harmless microbes
  2. BThe virus turns harmless microbes into pathogens
  3. CHelper T cells make the antibiotics that the body needs to fight infection
  4. DHIV kills the normal flora of the skin and gut

Ответы

  1. 1. B · Its trait shows only when two copies are present
  2. 2. B · It makes many copies of a piece of DNA
  3. 3. C · Testosterone
  4. 4. C · To bring more blood and white blood cells to the area
  5. 5. A · A group where everyone in the population has an equal chance of being chosen
  6. 6. D · They help enzymes carry out their reactions
  7. 7. B · Anaphase I of meiosis
  8. 8. A · Their immune response is too weak to control normally harmless microbes

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