Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Nemokamas spausdinamas užduočių lapas tema Biologija slaugos stojamiesiems egzaminams: 8 uždavinių nuo lengvų iki egzamino lygio, su atsakymais. Atsispausdinkite arba išsaugokite kaip PDF.

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Vardas: ____________________   Data: ____________

1.Lengvas

Which of these is qualitative data?

  1. AThe patient weighs 68 kg
  2. BThe pulse rate is 72 beats per minute
  3. CThe urine sample is dark yellow
  4. DThe wound is 3 cm long
2.Lengvas

What is a scientific law?

  1. AA guess about the cause of something that has not yet been tested
  2. BA statement of what always happens under certain conditions
  3. CA rule that scientists vote to accept
  4. DAn explanation that has been proven wrong
3.Lengvas

What is a sister chromatid?

  1. AOne of the two sex chromosomes
  2. BOne of two identical copies of a chromosome joined at the centromere
  3. CA small ring of DNA found in bacteria
  4. DA chromosome that is inherited from the mother only, never the father
4.Vidutinis

What are introns?

  1. ANon-coding sections removed from pre-mRNA before translation
  2. BShort pieces of DNA made on the lagging strand
  3. CCoding sections joined together to form the mature mRNA
  4. DCodons that tell the ribosome to stop translation
5.Vidutinis

Why is DNA replication called semiconservative?

  1. AEach new DNA molecule has one old strand and one new strand
  2. BOnly half of the DNA is copied each time
  3. CEach new strand is a random mix of old and new pieces
  4. DThe old DNA molecule is kept whole, and a completely new one is made
6.Vidutinis

What happens to a protein when it is denatured?

  1. AIt turns into a carbohydrate
  2. BIt loses its 3D shape but keeps its amino acid sequence
  3. CIt becomes more active than before
  4. DIt loses some of its amino acids but keeps its folded shape
7.Sunkus

A dihybrid cross gives offspring in a ratio of about 9 : 3 : 3 : 1. What does this suggest?

  1. AOne parent is AaBb and the other is homozygous aabb
  2. BThe two genes are tightly linked on the same chromosome
  3. CBoth parents are heterozygous for two genes that assort independently
  4. DBoth parents are homozygous dominant for both genes
8.Sunkus

Home pregnancy tests use antibodies that bind the hormone hCG. Why do they react with hCG and not with other proteins in urine?

  1. AAntibodies bind every protein but change colour only with hCG
  2. BEach antibody binds a specific antigen shape
  3. CThe hormone hCG is a type of antibody itself
  4. DUrine contains no other proteins at all

Atsakymai

  1. 1. C · The urine sample is dark yellow
  2. 2. B · A statement of what always happens under certain conditions
  3. 3. B · One of two identical copies of a chromosome joined at the centromere
  4. 4. A · Non-coding sections removed from pre-mRNA before translation
  5. 5. A · Each new DNA molecule has one old strand and one new strand
  6. 6. B · It loses its 3D shape but keeps its amino acid sequence
  7. 7. C · Both parents are heterozygous for two genes that assort independently
  8. 8. B · Each antibody binds a specific antigen shape

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