Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What does DNA replication produce?

1. AOne mRNA molecule
2. BA new protein
3. CFour different DNA molecules
4. DTwo identical DNA molecules

Apa monomer asam nukleat seperti DNA?

1. AMolekul glukosa
2. BAsam amino
3. CMolekul gliserol
4. DNukleotida

Mengapa virus tidak dapat bereproduksi sendiri?

1. AVirus membelah hanya melalui meiosis
2. BVirus membutuhkan perangkat sel inang untuk membuat salinan
3. CVirus tidak memiliki materi genetik apa pun, baik DNA maupun RNA
4. DVirus bereproduksi hanya di bawah sinar matahari

Researchers randomly assign patients to receive either a new wound dressing or the standard dressing and compare healing times. What type of study is this?

1. AA case report
2. BA controlled experiment
3. CA survey
4. DAn observational study

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe controlled variable
2. BThe dependent variable
3. CThe independent variable
4. DThe time the experiment started

What does RNA polymerase do?

1. AIt builds a protein from an mRNA template
2. BIt copies the whole genome before cell division
3. CIt builds an RNA strand from a DNA template
4. DIt removes introns from pre-mRNA

A farmer's crops grow poorly in soil lacking nitrates. Why do plants need nitrogen?

1. ATo make amino acids, proteins and nucleic acids
2. BTo absorb more carbon dioxide through the stomata
3. CTo build cellulose cell walls
4. DTo make glucose during photosynthesis

Mengapa sebagian besar sel sangat kecil?

1. ASel kecil mengandung lebih banyak DNA daripada sel besar
2. BSel besar tidak dapat mengandung mitokondria
3. CSel kecil tidak memerlukan oksigen
4. DSel kecil memiliki rasio luas permukaan terhadap volume yang tinggi