Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What is an allele?

1. AA section of DNA between genes
2. BA protein made from a gene
3. CA pair of matching chromosomes from each parent
4. DA different version of the same gene

What are the bacteria called that normally live on the skin and in the gut without causing disease?

1. AVectors
2. BNormal flora
3. CPathogens
4. DPrions

What are the parts of a triglyceride (a fat molecule)?

1. AOne glycerol and three fatty acids
2. BTwo glycerols and one fatty acid
3. CThree glucose units and one phosphate
4. DOne amino acid and three fatty acids

Which polymer is correctly matched with its monomer?

1. ADNA and amino acid
2. BProtein and nucleotide
3. CGlycogen and fatty acid
4. DStarch and glucose

What is the difference between an antiseptic and a disinfectant?

1. AAntiseptics are used on objects and floors; disinfectants are used on skin
2. BAntiseptics are used on living tissue; disinfectants are used on objects
3. CAntiseptics kill all spores; disinfectants kill none
4. DAntiseptics are antibiotics; disinfectants are vaccines

Bagaimanakah resapan berbantu berbeza daripada resapan ringkas?

1. AIa menggunakan ATP untuk menggerakkan molekul ke atas
2. BIa menggerakkan molekul melawan kecerunannya menggunakan pam dan ATP
3. CIa hanya menggerakkan gas seperti oksigen
4. DIa menggunakan protein saluran atau protein pembawa tetapi tiada ATP

Liver cells take in cholesterol-carrying LDL particles only after the particles bind to specific proteins on the cell surface. Which process is this?

1. ASimple diffusion
2. BPinocytosis of extracellular fluid
3. CReceptor-mediated endocytosis
4. DExocytosis

Mutasi titik mengubah kodon GAA kepada GAG, dan kedua-duanya mengekod asid glutamik. Apakah jenis mutasi ini?

1. APenghapusan kromosom
2. BMutasi anjakan rangka
3. CMutasi senyap
4. DMutasi karut (nonsense)