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

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1.Лёгкая

What do centrioles do in an animal cell?

  1. AThey capture light for photosynthesis
  2. BThey store the cell's digestive enzymes until they are needed
  3. CThey help organise the spindle during cell division
  4. DThey make lipids for the cell membrane
2.Лёгкая

What is an organism's genome?

  1. AAll of its genetic material
  2. BThe traits that can be seen
  3. CThe proteins made by one cell
  4. DA single gene on one chromosome
3.Лёгкая

What is the job of the capsule found around some bacteria?

  1. AIt protects the cell, for example from white blood cells
  2. BIt helps the bacterium make energy by photosynthesis
  3. CIt is used to swim through liquids
  4. DIt holds the bacterium's main chromosome
4.Средняя

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

Why is a buffer system important in blood?

  1. AIt makes the blood clot faster
  2. BIt raises the blood glucose level
  3. CIt resists changes in pH
  4. DIt carries oxygen to the tissues
6.Средняя

Which polymer is correctly matched with its monomer?

  1. AProtein and nucleotide
  2. BStarch and glucose
  3. CDNA and amino acid
  4. DGlycogen and fatty acid
7.Сложная

Two plants are crossed, and about half of the offspring show the dominant trait and half show the recessive trait. What are the most likely genotypes of the parents?

  1. AHeterozygous × heterozygous
  2. BHeterozygous × homozygous recessive
  3. CHomozygous dominant × heterozygous
  4. DHomozygous dominant × homozygous recessive
8.Сложная

Fleming saw a clear area with no bacteria around a Penicillium mould growing on a bacterial plate. What was the best explanation?

  1. AThe mould released a substance that killed or stopped the bacteria
  2. BThe bacteria had turned into mould cells
  3. CThe bacteria had moved away to find more food
  4. DThe mould used up all of the oxygen that the nearby bacteria needed

Ответы

  1. 1. C · They help organise the spindle during cell division
  2. 2. A · All of its genetic material
  3. 3. A · It protects the cell, for example from white blood cells
  4. 4. D · The carbon dioxide concentration
  5. 5. C · It resists changes in pH
  6. 6. B · Starch and glucose
  7. 7. B · Heterozygous × homozygous recessive
  8. 8. A · The mould released a substance that killed or stopped the bacteria

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