Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

Which organelle breaks down fatty acids and hydrogen peroxide?

1. AChloroplast
2. BCentriole
3. CPeroxisome
4. DRibosome

In the scientific name Homo sapiens, what does Homo name?

1. AThe genus
2. BThe kingdom
3. CThe family
4. DThe species

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

1. AHydrogen bonds between the bases
2. BIonic bonds between the phosphates
3. CDisulfide bonds between the bases
4. DPeptide bonds between the sugars

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AA, B, AB or O
2. BA or B
3. CO or AB
4. DO only

Lactose (milk sugar) is a disaccharide. Which two monosaccharides is it made of?

1. AFructose and galactose
2. BGlucose and fructose
3. CGlucose and galactose
4. DGlucose and glucose

What does RNA polymerase do?

1. AIt builds an RNA strand from a DNA template
2. BIt removes introns from pre-mRNA
3. CIt copies the whole genome before cell division
4. DIt builds a protein from an mRNA template

The rate of an enzyme reaction rises as substrate is added but then levels off, even when more substrate is added. Why?

1. AThe products have turned back into substrate
2. BThe enzyme has been denatured
3. CThe substrate has become an inhibitor
4. DAll the active sites are occupied

Why is ATP described as an energy carrier rather than a long-term energy store?

1. AATP contains no energy in its bonds, so it cannot be stored
2. BATP is stored in large amounts in fat tissue
3. CATP can be made only in plants
4. DCells hold only a little and constantly recycle it from ADP