Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What does DNA replication produce?

1. ATwo identical DNA molecules
2. BOne mRNA molecule
3. CA new protein
4. DFour different DNA molecules

What is a Punnett square used for?

1. ACounting the chromosomes in a cell
2. BShowing the order of genes on a chromosome
3. CPredicting the possible genotypes of offspring
4. DMeasuring the size of a cell

What is a genetically modified organism (GMO)?

1. AAn organism that has caught a virus
2. BAn organism produced by normal sexual reproduction between two parents
3. CAn organism whose DNA has been changed by genetic engineering
4. DAn organism that has been grown in a greenhouse

What is a random sample?

1. AA group chosen because they are likely to support the hypothesis
2. BA group where everyone in the population has an equal chance of being chosen
3. CA group chosen by the researcher because they are easy to reach and willing
4. DA group made only of people who volunteer to take part

During which division of meiosis do homologous chromosomes separate?

1. ANeither, because they separate in mitosis
2. BMeiosis II
3. CBoth meiosis I and meiosis II
4. DMeiosis I

Why are stains such as iodine or methylene blue added to cells on a microscope slide?

1. ATo make the cells divide
2. BTo make the cells larger
3. CTo keep the cells alive for longer
4. DTo make structures easier to see

Liver cells take in cholesterol-carrying LDL particles only after the particles bind to specific proteins on the cell surface. Which process is this?

1. APinocytosis of extracellular fluid
2. BReceptor-mediated endocytosis
3. CExocytosis
4. DSimple diffusion

Why can a scientific hypothesis never be proven true with absolute certainty?

1. AEvery experiment contains a mistake
2. BHypotheses are only opinions and cannot be tested
3. CScientists are not allowed to reach any conclusions
4. DNew evidence could always contradict it in the future