Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a pathogen?

1. AA microorganism or agent that causes disease
2. BA medicine that kills bacteria
3. CA harmless microbe living on the skin
4. DA cell of the immune system that fights infection

In which form do animals store glucose in the liver and muscles?

1. ACellulose
2. BGlycogen
3. CChitin
4. DStarch

What does transfer RNA (tRNA) do?

1. AIt carries the code out of the nucleus
2. BIt copies DNA in the nucleus
3. CIt joins two DNA strands together
4. DIt brings amino acids to the ribosome

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AVaccinated people make antibodies for others
2. BThe pathogen mutates into a harmless form
3. CThe pathogen has too few hosts to spread easily
4. DThe vaccine spreads from person to person

Which kind of mutation can be passed on to a person's children?

1. AA mutation in a skin cell caused by sunlight
2. BA mutation in a cell that forms eggs or sperm
3. CA mutation in a white blood cell during infection
4. DA mutation in a liver cell caused by alcohol

Kapan pindah silang antara kromosom homolog terjadi?

1. APada profase I meiosis
2. BPada fase S interfase
3. CPada telofase II meiosis
4. DPada anafase mitosis

A single-celled microbe has a nucleus and a cell wall made of chitin, and it reproduces by budding. What is it most likely to be?

1. AA virus
2. BAn amoeba
3. CA bacterium
4. DA yeast

A man has Klinefelter syndrome (XXY). Which error most likely produced it?

1. AExtra mitosis in the zygote after fertilisation
2. BA frameshift mutation in one of the genes on the father's Y chromosome
3. CCrossing over between chromosome 21 and the X chromosome
4. DNondisjunction of the sex chromosomes during meiosis in a parent