Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

Which organelle makes lipids and helps break down drugs and toxins in liver cells?

1. ANucleolus
2. BCentriole
3. CSmooth endoplasmic reticulum
4. DRough endoplasmic reticulum

What do bacteria use flagella for?

1. AMaking proteins from amino acids
2. BMoving from place to place
3. CStoring food
4. DCopying their DNA

In an enzyme reaction, what is the substrate?

1. AThe product released at the end
2. BThe substance that the enzyme acts on
3. CThe gene that codes for the enzyme
4. DThe part of the enzyme that changes shape

The genetic code is described as nearly universal. What does this mean?

1. AEvery cell in the body makes the same proteins
2. BAll organisms have exactly the same genes
3. CAll organisms have the same number of chromosomes in their cells
4. DThe same codons mean the same amino acids in nearly all organisms

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

1. AA or B
2. BO only
3. CA, B, AB or O
4. DO or AB

Why can an electron microscope show more detail than a light microscope?

1. AElectrons are brighter than light
2. BElectron microscopes use living cells only
3. CElectron microscopes use stronger glass lenses
4. DElectrons have a much shorter wavelength than light

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA survey asking patients if they liked it
2. BA comparable group that does not use the mouthwash
3. CA larger bottle of the same mouthwash for each patient
4. DA longer explanation in the report

Bacteria from hot springs have enzymes that work best at about 80 °C, while most human enzymes work best near 37 °C. What is the best explanation?

1. ATheir enzymes are made of lipids, not proteins
2. BTheir enzymes have structures that stay stable at high temperatures
3. CHigh temperature never affects any enzyme
4. DTheir enzymes do not have an active site, so heat cannot affect them