Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a haploid cell?

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

What is endocytosis?

1. AReleasing material from the cell by fusing vesicles with the membrane
2. BSplitting the cytoplasm after the nucleus divides
3. CMoving water across the membrane by osmosis
4. DTaking material into the cell by folding the membrane around it

Empat basa apa yang terdapat pada DNA?

1. AAdenin, timin, guanin, dan sitosin
2. BAlanin, timin, glisin, dan sistein
3. CAdenin, urasil, guanin, dan sitosin
4. DAdenin, timin, glukosa, dan sitosin

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AGlycogen, then ATP, then fat
2. BATP, then glycogen, then fat
3. CFat, then glycogen, then ATP
4. DATP, then fat, then glycogen

Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?

1. AFungi are much smaller than bacteria
2. BFungal cells are eukaryotic, like human cells
3. CFungi have no cell membrane for drugs to act on
4. DFungi reproduce only by binary fission

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. ANone
2. BAll
3. COne quarter
4. DOne half

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

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

A patient breathes very slowly, so carbon dioxide builds up in the blood. What happens to the blood pH, and why?

1. AIt rises, because CO₂ removes hydrogen ions
2. BIt stays the same, because CO₂ does not dissolve in blood
3. CIt falls, because CO₂ forms carbonic acid in the blood
4. DIt rises, because CO₂ is a base