Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is the aim of gene therapy?

1. ATo give a patient antibiotics through a vein to kill a virus
2. BTo remove all the genes from a patient's cells
3. CTo treat a disease by adding a working copy of a faulty gene
4. DTo change the patient's blood type

What is a eukaryote?

1. AA virus that infects animal cells
2. BAn organism made of a single cell without a nucleus
3. CAn organism whose cells have a nucleus
4. DAn organism that lives only in extreme heat

In which stage of the cell cycle does a cell spend most of its time?

1. AMetaphase
2. BProphase
3. CInterphase
4. DAnaphase

In which phase of mitosis do the chromosomes condense and the nuclear envelope break down?

1. AProphase
2. BMetaphase
3. CAnaphase
4. DTelophase

Why do many plants close their stomata on hot, dry days?

1. ATo reduce water loss
2. BTo take in more carbon dioxide
3. CTo release more oxygen
4. DTo speed up photosynthesis

What happens to a protein when it is denatured?

1. AIt becomes more active than before
2. BIt loses some of its amino acids but keeps its folded shape
3. CIt turns into a carbohydrate
4. DIt loses its 3D shape but keeps its amino acid sequence

Mengapakah badan menyimpan tenaga jangka panjang sebagai lemak dan bukan sebagai glikogen?

1. AGlikogen tidak boleh dipecahkan menjadi glukosa
2. BLemak larut dengan mudah dalam darah
3. CLemak ialah sejenis protein
4. DLemak menyimpan lebih daripada dua kali ganda tenaga bagi setiap gram

Cystic fibrosis is caused by a faulty CFTR protein, which forms a chloride channel in the cell membrane. Which process is directly affected?

1. ADiffusion of oxygen molecules through the lipid bilayer
2. BMovement of chloride ions through a membrane protein
3. CProduction of ATP in the mitochondria
4. DCopying of DNA in the nucleus