Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Mengapa virus tidak dapat bereproduksi sendiri?

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

What are the parts of a triglyceride (a fat molecule)?

1. ATwo glycerols and one fatty acid
2. BOne glycerol and three fatty acids
3. CThree glucose units and one phosphate
4. DOne amino acid and three fatty acids

Which of these is qualitative data?

1. AThe urine sample is dark yellow
2. BThe wound is 3 cm long
3. CThe patient weighs 68 kg
4. DThe pulse rate is 72 beats per minute

Apa arti "diploid"?

1. ASel memiliki satu perangkat kromosom
2. BSel tidak memiliki nukleus
3. CSel hanya dapat membelah sekali
4. DSel memiliki dua perangkat kromosom

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. AAn observational study
2. BA case report
3. CA controlled experiment
4. DA survey

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor red cells divide to make more red cells
2. BThe transplant replaces the patient's bones
3. CThe donor marrow contains antibiotics that kill cancer
4. DThe donor stem cells produce new, healthy blood cells

Griffith injected mice with heat-killed harmful bacteria mixed with live harmless bacteria. The mice died, and live harmful bacteria were found in them. What did this show?

1. AHeat makes harmless bacteria become harmful when they are injected
2. BA substance from the dead bacteria changed the harmless ones
3. CBacteria can be killed by the immune system of mice
4. DThe mice were killed by the dead bacteria alone

Parts of a protein chain coil into alpha helices and fold into beta sheets, held by hydrogen bonds. Which level of protein structure is this?

1. APrimary structure
2. BQuaternary structure
3. CSecondary structure
4. DTertiary structure