Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

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Imię: ____________________   Data: ____________

1.Łatwy

What is a mutagen?

  1. AA cell that divides without control
  2. BSomething that can cause changes in DNA
  3. CAn enzyme that copies DNA
  4. DA protein that repairs damaged DNA
2.Łatwy

In biology, what is a clone?

  1. AA genetically identical copy of an organism, cell or gene
  2. BAn organism that carries genes from two different species
  3. CAn offspring of two different parents
  4. DA cell with an extra chromosome
3.Łatwy

Przeciw jakiemu rodzajowi organizmów skuteczne są antybiotyki?

  1. APrzeciw bakteriom
  2. BJednakowo przeciw każdemu rodzajowi drobnoustrojów
  3. CPrzeciw alergenom pyłków
  4. DPrzeciw wirusom
4.Średni

What happens in the lytic cycle of a virus?

  1. AThe host cell makes antibodies against the virus
  2. BThe viral DNA joins the host DNA and stays inactive for a long time
  3. CThe virus divides by binary fission outside the cell
  4. DThe virus makes many copies in the host cell, which then bursts
5.Średni

Which is an example of negative feedback?

  1. ASweating when body temperature rises
  2. BA wound becoming more inflamed over time
  3. CBlood clotting speeding up once it starts
  4. DContractions growing stronger during labour
6.Średni

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 help prevent vitamin A deficiency
  3. CTo make the rice resistant to all insects
  4. DTo increase the protein content of the rice
7.Trudny

Some chemotherapy drugs stop spindle fibres from forming. Why do they often cause hair loss and damage to the gut lining?

  1. AThese cells have no mitochondria
  2. BThese cells divide by meiosis instead of mitosis
  3. CThese tissues are made only of haploid cells
  4. DThese tissues also contain rapidly dividing cells
8.Trudny

How does the CRISPR-Cas9 gene-editing system find the right place to cut DNA?

  1. AA guide RNA pairs with the matching DNA sequence
  2. BIt binds only to the start codon of every gene
  3. CThe Cas9 protein cuts DNA at random sites
  4. DIt reads the amino acid sequence of the protein

Klucz odpowiedzi

  1. 1. B · Something that can cause changes in DNA
  2. 2. A · A genetically identical copy of an organism, cell or gene
  3. 3. A · Przeciw bakteriom
  4. 4. D · The virus makes many copies in the host cell, which then bursts
  5. 5. A · Sweating when body temperature rises
  6. 6. B · To help prevent vitamin A deficiency
  7. 7. D · These tissues also contain rapidly dividing cells
  8. 8. A · A guide RNA pairs with the matching DNA sequence

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