Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Who first worked out the basic rules of inheritance by breeding pea plants?

1. ACharles Darwin
2. BRobert Hooke
3. CGregor Mendel
4. DLouis Pasteur

What is the job of messenger RNA (mRNA)?

1. AIt carries the genetic code from DNA to the ribosomes
2. BIt forms the main structure of the ribosome
3. CIt carries amino acids to the ribosomes
4. DIt stores genetic information in the nucleus permanently

What is the pH of pure water at 25 °C?

1. A14
2. B1
3. C0
4. D7

Apa itu kodon?

1. AProtein yang memulai transkripsi
2. BSatu basa tunggal yang mengkode protein
3. CKelompok tiga basa mRNA yang mengkode satu asam amino
4. DBagian kromosom tempat benang spindel melekat selama mitosis

Nearly all cells in a person's body contain the same DNA. Why do nerve cells and muscle cells look and work so differently?

1. ADifferent genes are switched on in each type of cell
2. BMuscle cells have extra DNA from mitochondria
3. CEach cell type has a different set of chromosomes
4. DNerve cells have lost the genes for muscle proteins

Apa perbedaan difusi terfasilitasi dengan difusi sederhana?

1. AMemakai ATP untuk memindahkan molekul ke arah yang menanjak
2. BMemindahkan molekul melawan gradiennya memakai pompa dan ATP
3. CHanya memindahkan gas seperti oksigen
4. DMemakai protein kanal atau protein pembawa tetapi tidak memakai ATP

In a trial, 20% of patients improve on a new drug and 18% improve on a placebo. What is the best conclusion?

1. AThe drug adds little benefit beyond the placebo
2. BThe drug works well, because 20% of patients improved
3. CThe drug is ten times better than the placebo
4. DThe placebo was harmful to the patients

Why does cooking oil not mix with water?

1. AWater molecules are nonpolar and avoid each other
2. BOil molecules are nonpolar and cannot form hydrogen bonds with water
3. COil is denser than water and sinks
4. DOil molecules are polar and repel the charged ends of water molecules