Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What are the three parts of a nucleotide?

1. AA glycerol, a phosphate and a fatty acid
2. BA carboxyl group, a base and a lipid
3. CA phosphate, a sugar and a nitrogen base
4. DAn amino group, a sugar and a fatty acid

Alat apa yang dipakai untuk melihat sel satu per satu?

1. AMikroskop
2. BSpektrometer untuk bunyi
3. CTermometer
4. DTeleskop

In science, what is an observation?

1. AA conclusion drawn before any data are collected
2. BA guess about why something happens
3. CInformation gathered with the senses or instruments
4. DA rule that explains all known facts

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. AOsmosis
2. BEndocytosis
3. CPhagocytosis
4. DExocytosis

What are introns?

1. ACoding sections joined together to form the mature mRNA
2. BCodons that tell the ribosome to stop translation
3. CShort pieces of DNA made on the lagging strand
4. DNon-coding sections removed from pre-mRNA before translation

Which sequence describes the usual flow of genetic information in a cell?

1. ARNA to DNA to protein
2. BDNA to protein to RNA
3. CProtein to RNA to DNA
4. DDNA to RNA to protein

Apa penyebab dasar kanker pada tingkat sel?

1. ASel berhenti membelah sama sekali dan mati
2. BMutasi pada gen siklus sel menyebabkan pembelahan yang tak terkendali
3. CBakteri masuk ke nukleus dan mengganti DNA sel dengan DNA-nya
4. DSel kehilangan semua mitokondrianya

In the Hershey–Chase experiment, viruses were labelled with radioactive phosphorus in their DNA or radioactive sulfur in their protein. Only the phosphorus entered the infected bacteria. What did this show?

1. ABacteria take up any radioactive substance
2. BProtein, not DNA, is the genetic material of the virus
3. CViruses contain no DNA at all
4. DDNA, not protein, is the genetic material of the virus