Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is the active site of an enzyme?

1. AThe gene that codes for the enzyme
2. BThe region where the substrate binds
3. CThe part of the cell where the enzyme is made
4. DThe product formed by the reaction

What is the main material in the cell wall of bacteria?

1. AKeratin
2. BCellulose
3. CChitin
4. DPeptidoglycan

What is an antigen?

1. AA molecule that the immune system sees as foreign
2. BA white blood cell that engulfs and digests bacteria
3. CA protein that carries oxygen
4. DA drug that kills viruses

Why is DNA replication called semiconservative?

1. AEach new DNA molecule has one old strand and one new strand
2. BThe old DNA molecule is kept whole, and a completely new one is made
3. COnly half of the DNA is copied each time
4. DEach new strand is a random mix of old and new pieces

Clostridium tetani grows in deep puncture wounds but is killed by oxygen. How is this bacterium described?

1. AAn obligate anaerobe
2. BA photosynthetic bacterium
3. CAn obligate aerobe
4. DA facultative anaerobe

Tumbuhan berbunga merah disilangkan dengan tumbuhan berbunga putih, dan semua anaknya berbunga merah jambu. Apakah yang ditunjukkan oleh ini?

1. ADominan lengkap
2. BDominan tak lengkap
3. CKodominan
4. DSifat terangkai seks

Tumbuhan AaBb disilangkan dengan tumbuhan aabb. Gen itu terasing secara bebas. Apakah nisbah fenotip yang dijangka dalam kalangan anak?

1. A1 : 2 : 1
2. B3 : 1
3. C9 : 3 : 3 : 1
4. D1 : 1 : 1 : 1

Why can standard DNA profiling not tell identical twins apart?

1. AIdentical twins have no non-coding DNA
2. BIdentical twins come from one zygote and have the same DNA
3. CTwins always share the same fingerprints on their hands
4. DOnly one twin inherits the father's DNA