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 a monomer?
AA molecule that contains no carbon
BA very large molecule that is made of many smaller units
CA small unit that joins with others to form a polymer
DAn enzyme that breaks down polymers
2.Lengvas
What is cytokinesis?
AThe division of the cytoplasm into two cells
BThe condensing of chromosomes in prophase
CThe pairing of homologous chromosomes
DThe copying of DNA before division
3.Lengvas
Kokios medžiagos gaminamos fotosintezės metu?
AAnglies dioksidas ir vanduo
BBaltymai ir azotas
CGliukozė ir deguonis
DPieno rūgštis ir ATP
4.Vidutinis
A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?
AEvery amino acid after the deletion is changed to a new one
BThe protein becomes three times longer
CNo protein can be made at all
DThe protein lacks one amino acid but the rest is unchanged
5.Vidutinis
Which body system works with the respiratory system to deliver oxygen to body cells?
AThe urinary system
BThe skeletal system
CThe circulatory system
DThe digestive system
6.Vidutinis
What happens to a protein when it is denatured?
AIt loses some of its amino acids but keeps its folded shape
BIt turns into a carbohydrate
CIt loses its 3D shape but keeps its amino acid sequence
DIt becomes more active than before
7.Sunkus
Fleming saw a clear area with no bacteria around a Penicillium mould growing on a bacterial plate. What was the best explanation?
AThe mould released a substance that killed or stopped the bacteria
BThe bacteria had moved away to find more food
CThe mould used up all of the oxygen that the nearby bacteria needed
DThe bacteria had turned into mould cells
8.Sunkus
Geno pradžioje įterpiama viena papildoma bazė. Kodėl tai dažniausiai turi didelį poveikį baltymui?
APasislenka visų vėlesnių kodonų skaitymo rėmelis
BPoveikio nėra, nes kodas yra perteklinis
CGenas virsta kita chromosoma
DPasikeičia tik viena baltymo aminorūgštis
Atsakymai
1. C · A small unit that joins with others to form a polymer
2. A · The division of the cytoplasm into two cells
3. C · Gliukozė ir deguonis
4. D · The protein lacks one amino acid but the rest is unchanged
5. C · The circulatory system
6. C · It loses its 3D shape but keeps its amino acid sequence
7. A · The mould released a substance that killed or stopped the bacteria
8. A · Pasislenka visų vėlesnių kodonų skaitymo rėmelis
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