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
What is the R group of an amino acid?
AThe amino group that is shared by all amino acids
BThe side chain that differs between amino acids
CThe carboxyl group at one end
DThe peptide bond between two amino acids
2.Lengvas
Where in the cell does glycolysis take place?
AIn the cytoplasm
BIn the chloroplast
CIn the mitochondrial matrix
DIn the nucleus
3.Lengvas
What is the correct order of levels of organisation, from smallest to largest?
ACell, tissue, organ, organ system, organism
BCell, organ, tissue, organism, organ system
CTissue, cell, organ, organism, organ system
DOrgan, tissue, cell, organ system, organism
4.Vidutinis
Kurioje mitozės fazėje chromosomos išsirikiuoja ląstelės viduryje?
AProfazėje
BTelofazėje
CMetafazėje
DAnafazėje
5.Vidutinis
Why do chromosomes condense into short, thick shapes before mitosis?
ASo that genes can be transcribed more easily
BSo that they can leave through the nuclear pores
CSo they can be moved apart without tangling or breaking
DSo that they can be copied more quickly
6.Vidutinis
Which of these is part of the body's innate (non-specific) defence?
AThe skin and stomach acid
BAntibodies made after vaccination
CMemory B cells from an earlier infection
DT cells that recognise one virus
7.Sunkus
In the Hershey–Chase experiment, viruses were labelled with radioactive phosphorus in their DNA or radioactive sulfur in their protein. Only the phosphorus entered the infected bacteria. What did this show?
ABacteria take up any radioactive substance
BProtein, not DNA, is the genetic material of the virus
CDNA, not protein, is the genetic material of the virus
DViruses contain no DNA at all
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?
AThe hormone hCG is a type of antibody itself
BUrine contains no other proteins at all
CAntibodies bind every protein but change colour only with hCG
DEach antibody binds a specific antigen shape
Atsakymai
1. B · The side chain that differs between amino acids
2. A · In the cytoplasm
3. A · Cell, tissue, organ, organ system, organism
4. C · Metafazėje
5. C · So they can be moved apart without tangling or breaking
6. A · The skin and stomach acid
7. C · DNA, not protein, is the genetic material of the virus
8. D · Each antibody binds a specific antigen shape
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