Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa tujuan kelompok kontrol?

1. AMenggantikan kebutuhan akan hipotesis
2. BMembuat percobaan selesai lebih cepat
3. CMemberi acuan dasar untuk perbandingan dengan kelompok yang diberi perlakuan
4. DMenerima dosis terbesar dari perlakuan yang diuji

What is the main role of the cytoskeleton?

1. AIt stores the genetic code of the cell
2. BIt gives the cell its shape and helps it move
3. CIt controls which substances enter the cell
4. DIt joins amino acids into proteins

Which piece of equipment gives the most precise measurement of a liquid volume?

1. AA beaker
2. BA test tube
3. CA graduated cylinder
4. DA Petri dish

The results of an experiment do not support the hypothesis. What should the scientist do next?

1. AStop doing any further research on the question
2. BRevise the hypothesis and test it again
3. CReport that the hypothesis was proven correct
4. DChange the data so they fit the hypothesis

Why are G–C base pairs held together more strongly than A–T pairs?

1. AA–T pairs are found only in RNA
2. BG and C are both purines, so they fit more tightly
3. CG–C pairs are joined by strong covalent bonds instead of hydrogen bonds
4. DG–C pairs form three hydrogen bonds, and A–T pairs form two

Which element is found in all amino acids but not in carbohydrates?

1. AOxygen
2. BCarbon
3. CNitrogen
4. DHydrogen

PCR starts with one double-stranded DNA molecule, and the number of copies doubles each cycle. How many copies are there after 10 cycles?

1. A100
2. B512
3. C20
4. D1024

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe antibodies from breast milk attack the baby's own red blood cells
2. BThe baby did not make these antibodies and forms no memory cells
3. CThe antibodies turn into memory cells after a few weeks
4. DThe baby's stomach makes the antibodies more active