Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What does the polymerase chain reaction (PCR) do?

1. AIt makes many copies of a piece of DNA
2. BIt turns RNA into protein
3. CIt cuts DNA at specific sequences
4. DIt separates proteins by their charge

Which bonds hold the two strands of a DNA double helix together?

1. ADisulfide bonds between the bases
2. BIonic bonds between the phosphates
3. CHydrogen bonds between the bases
4. DPeptide bonds between the sugars

Which definition of a species is most often used for animals?

1. AAll of the different organisms that live together in one area
2. BAny organisms that look alike
3. CAll the animals that eat the same food
4. DA group that can interbreed and have fertile offspring

Semasa bersenam kuat, sel otot kekurangan oksigen. Apakah yang dihasilkannya daripada glukosa sebagai gantinya?

1. AAsid laktik (laktat) dan sedikit ATP
2. BATP dan oksigen dalam jumlah besar
3. CGlikogen dan air
4. DAlkohol dan karbon dioksida

Bagaimanakah teori saintifik berbeza daripada hipotesis?

1. ATeori ialah keputusan satu eksperimen
2. BTeori tidak boleh diubah oleh data baharu
3. CIa penjelasan luas yang disokong oleh banyak bukti yang telah diuji
4. DTeori ialah tekaan yang belum diuji

A cell has a nucleus and mitochondria but no cell wall and no chloroplasts. What kind of cell is it most likely to be?

1. AAn animal cell
2. BA fungal cell
3. CA bacterial cell
4. DA plant cell

Bagaimanakah populasi bakteria menjadi rintang terhadap antibiotik?

1. ABeberapa bakteria sudah membawa gen rintangan, bertahan daripada ubat dan membiak
2. BSetiap bakteria belajar menentang ubat selepas terdedah
3. CSistem imun pesakit menjadikan bakteria rintang
4. DAntibiotik dengan sengaja mencipta mutasi tepat yang diperlukan bakteria

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. A3 red : 1 white
2. B1 red : 2 pink : 1 white
3. CAll pink, like the parents
4. D1 red : 1 white