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

Каковы мономеры нуклеиновых кислот, например ДНК?

  1. AМолекулы глюкозы
  2. BМолекулы глицерина
  3. CНуклеотиды
  4. DАминокислоты
2.Лёгкая

What are the parts of a triglyceride (a fat molecule)?

  1. ATwo glycerols and one fatty acid
  2. BThree glucose units and one phosphate
  3. COne glycerol and three fatty acids
  4. DOne amino acid and three fatty acids
3.Лёгкая

Which list gives the main taxonomic ranks from broadest to most specific?

  1. ADomain, phylum, kingdom, order, class, genus, family, species
  2. BDomain, kingdom, phylum, class, order, family, genus, species
  3. CSpecies, genus, family, order, class, phylum, kingdom, domain
  4. DKingdom, domain, class, phylum, family, order, species, genus
4.Средняя

A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?

  1. ABinary fission
  2. BFertilisation
  3. CMeiosis
  4. DMitosis
5.Средняя

How do embryonic stem cells differ from most adult stem cells?

  1. AThey can no longer divide, while adult stem cells divide quickly
  2. BThey are found only in plants, while adult stem cells are found in animals
  3. CThey can become almost any cell type, while adult stem cells are more limited
  4. DThey are haploid, while adult stem cells are diploid
6.Средняя

To insert a human gene into a bacterial plasmid, scientists cut both the gene and the plasmid with the same restriction enzyme. Why?

  1. ASo the cut ends match and can join together
  2. BSo the gene is turned into RNA
  3. CSo the plasmid loses all its genes
  4. DSo both pieces become exactly the same length
7.Сложная

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

  1. AThe antibodies turn into memory cells after a few weeks
  2. BThe baby did not make these antibodies and forms no memory cells
  3. CThe antibodies from breast milk attack the baby's own red blood cells
  4. DThe baby's stomach makes the antibodies more active
8.Сложная

Why are there usually far fewer top predators than herbivores in an ecosystem?

  1. ATop predators need less energy than herbivores
  2. BHerbivores eat the young of top predators
  3. CEnergy is lost at each step, leaving little for the top level
  4. DTop predators reproduce faster than herbivores, so they die sooner

Ответы

  1. 1. C · Нуклеотиды
  2. 2. C · One glycerol and three fatty acids
  3. 3. B · Domain, kingdom, phylum, class, order, family, genus, species
  4. 4. D · Mitosis
  5. 5. C · They can become almost any cell type, while adult stem cells are more limited
  6. 6. A · So the cut ends match and can join together
  7. 7. B · The baby did not make these antibodies and forms no memory cells
  8. 8. C · Energy is lost at each step, leaving little for the top level

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