Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa unit penyusun (monomer) protein?

1. ANukleotida
2. BAsam amino
3. CMonosakarida
4. DAsam lemak

Struktur mana yang ada di sel tumbuhan tetapi tidak di sel hewan?

1. AMitokondria
2. BRibosom
3. CMembran sel
4. DDinding sel

Which organelle breaks down fatty acids and hydrogen peroxide?

1. AChloroplast
2. BRibosome
3. CCentriole
4. DPeroxisome

Why is a buffer system important in blood?

1. AIt raises the blood glucose level
2. BIt carries oxygen to the tissues
3. CIt resists changes in pH
4. DIt makes the blood clot faster

Dua induk heterozigot (Aa × Aa) disilangkan, dan A dominan penuh. Berapa perbandingan fenotipe yang diharapkan?

1. A3 dominan : 1 resesif
2. B1 dominan : 1 resesif
3. C1 dominan : 2 antara : 1 resesif
4. DSemuanya dominan

In a food chain, which organisms are the producers?

1. APlants and algae that make food by photosynthesis
2. BAnimals that eat only plants, such as rabbits and deer
3. CPredators at the top of the chain
4. DFungi that break down dead material

Fresh liver is dropped into hydrogen peroxide and bubbles form quickly. Boiled liver gives no bubbles. What is the best conclusion?

1. AHydrogen peroxide is broken down only by heat
2. BThe bubbles are carbon dioxide from respiration
3. CBoiled liver contains more hydrogen peroxide than fresh liver
4. DLiver contains an enzyme that is destroyed by boiling

Two parents are both carriers of cystic fibrosis, an autosomal recessive disorder. They have three children. What is the probability that none of the three is affected?

1. A9/16
2. B27/64
3. C1/64
4. D3/4