Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the aim of gene therapy?

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

Which sugar is found in DNA?

1. ARibose
2. BGlucose
3. CDeoxyribose
4. DFructose

Di mana sebagian besar DNA sel eukariot ditemukan?

1. ADi lisosom
2. BDi dinding sel
3. CDi membran sel
4. DDi dalam nukleus

What is meant by independent assortment in meiosis?

1. ADNA is copied separately in each chromosome
2. BHomologous pairs line up randomly, so gametes get different mixes of chromosomes
3. CSister chromatids stay joined until the end of meiosis, so all gametes are identical
4. DAll chromosomes from the mother go into the same gamete

What happens in the Calvin cycle of photosynthesis?

1. ACO₂ is built into sugar using ATP and NADPH
2. BGlucose is broken down to release energy
3. CLight is absorbed by chlorophyll
4. DWater is split to release oxygen

Which statement best describes biological evolution?

1. AChange in the body of one organism during its lifetime
2. BMovement of animals to a new habitat each year
3. CGrowth of an organism from a single zygote to a fully grown adult
4. DChange in the inherited traits of a population over generations

In Tay-Sachs disease, a lysosomal enzyme does not work. What happens inside the affected nerve cells?

1. AThe undigested substance builds up inside lysosomes
2. BThe DNA cannot be copied before division
3. CThe ribosomes stop making proteins
4. DThe cells can no longer make ATP in their mitochondria

One sample of an enzyme is boiled and then cooled to 37 °C. Another is kept at 4 °C and then warmed to 37 °C. Which sample will work at 37 °C?

1. AOnly the sample that was boiled
2. BBoth samples will work equally well
3. CNeither sample will work
4. DOnly the sample that was kept at 4 °C