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

Безкоштовний робочий аркуш для друку «Біологія для вступних іспитів на медсестринство»: 8 задач від легких до рівня іспиту, з ключем відповідей. Роздрукуйте його або збережіть як PDF.

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1.Легка

What do receptor proteins in the cell membrane do?

  1. AThey store the cell's genetic code for making proteins
  2. BThey bind specific signal molecules, such as hormones
  3. CThey digest bacteria that enter the cell
  4. DThey make ATP for the cell
2.Легка

What is a haploid cell?

  1. AA cell with two sets of chromosomes
  2. BA cell with one set of chromosomes
  3. CA cell with no nucleus
  4. DA cell with an extra chromosome
3.Легка

Which elements make up carbohydrates?

  1. ACarbon, nitrogen and sulfur
  2. BCarbon, hydrogen and nitrogen
  3. CCarbon, hydrogen and oxygen
  4. DHydrogen, oxygen and phosphorus
4.Середня

Golden rice was genetically modified to make beta-carotene. What is the aim?

  1. ATo make the rice grow faster in cold climates
  2. BTo increase the protein content of the rice
  3. CTo make the rice resistant to all insects
  4. DTo help prevent vitamin A deficiency
5.Середня

Nearly all cells in a person's body contain the same DNA. Why do nerve cells and muscle cells look and work so differently?

  1. ANerve cells have lost the genes for muscle proteins
  2. BEach cell type has a different set of chromosomes
  3. CDifferent genes are switched on in each type of cell
  4. DMuscle cells have extra DNA from mitochondria
6.Середня

What does Mendel's law of segregation state?

  1. AThe two alleles of a gene separate so each gamete gets only one
  2. BDominant alleles are more common in a population than recessive ones
  3. CGenes on different chromosomes are always inherited together
  4. DEach gamete receives both alleles of every gene
7.Складна

Griffith injected mice with heat-killed harmful bacteria mixed with live harmless bacteria. The mice died, and live harmful bacteria were found in them. What did this show?

  1. AA substance from the dead bacteria changed the harmless ones
  2. BBacteria can be killed by the immune system of mice
  3. CThe mice were killed by the dead bacteria alone
  4. DHeat makes harmless bacteria become harmful when they are injected
8.Складна

The coding part of an mRNA is 900 bases long, including the start codon and the stop codon. How many amino acids are in the protein?

  1. A300
  2. B900
  3. C299
  4. D298

Ключ відповідей

  1. 1. B · They bind specific signal molecules, such as hormones
  2. 2. B · A cell with one set of chromosomes
  3. 3. C · Carbon, hydrogen and oxygen
  4. 4. D · To help prevent vitamin A deficiency
  5. 5. C · Different genes are switched on in each type of cell
  6. 6. A · The two alleles of a gene separate so each gamete gets only one
  7. 7. A · A substance from the dead bacteria changed the harmless ones
  8. 8. C · 299

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