Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

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

1. ASmooth endoplasmic reticulum
2. BCentriole
3. CNucleolus
4. DRough endoplasmic reticulum

What is a genetically modified organism (GMO)?

1. AAn organism that has been grown in a greenhouse
2. BAn organism produced by normal sexual reproduction between two parents
3. CAn organism whose DNA has been changed by genetic engineering
4. DAn organism that has caught a virus

What is the active site of an enzyme?

1. AThe product formed by the reaction
2. BThe part of the cell where the enzyme is made
3. CThe gene that codes for the enzyme
4. DThe region where the substrate binds

Pada fase mitosis mana kromosom berbaris di bagian tengah sel?

1. AProfase
2. BTelofase
3. CAnafase
4. DMetafase

The sodium-potassium pump moves ions across the cell membrane. What does one cycle of the pump do?

1. AMoves 3 K⁺ out and 2 Na⁺ in, using ATP
2. BMoves 2 Na⁺ out and 3 K⁺ in, using ATP
3. CMoves Na⁺ in and K⁺ out, without using ATP
4. DMoves 3 Na⁺ out and 2 K⁺ in, using ATP

The human arm, bat wing and whale flipper contain the same set of bones. What does this suggest?

1. AThey evolved completely separately
2. BThey share a common ancestor
3. CThey have the same function
4. DThey are the result of acquired traits

Why does the influenza vaccine need to be updated most years?

1. AInfluenza is caused by a different bacterium each year
2. BAntibodies cannot be made against viruses
3. CThe vaccine damages the immune system after one year, so it must be repeated
4. DThe virus keeps changing its surface proteins through mutation

A student puts a fertilised plant in a sunny window and an unfertilised plant in a dark cupboard. The fertilised plant grows more. What is the main flaw?

1. AThe dependent variable was not measured
2. BThe student used too much fertiliser on the plant in the window
3. CThere was no hypothesis to test
4. DTwo variables were changed, so the cause is unclear