Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Di mana sebagian besar DNA sel eukariot ditemukan?

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

What are the bacteria called that normally live on the skin and in the gut without causing disease?

1. ANormal flora
2. BPathogens
3. CPrions
4. DVectors

What does xylem carry in a plant?

1. ASugars from the leaves to the roots
2. BOxygen from the leaves to the roots
3. CWater and minerals from the roots upward
4. DSeeds from the flowers to the soil

A protein is made to be secreted out of the cell. What path does it follow?

1. AGolgi apparatus, then rough ER, then nucleus, then cell membrane
2. BRough ER, then Golgi apparatus, then vesicle, then cell membrane
3. CSmooth ER, then mitochondrion, then vesicle, then cell membrane
4. DNucleus, then lysosome, then Golgi apparatus, then cell membrane

Mengapa suhu yang sangat tinggi menghentikan kerja sebagian besar enzim?

1. APanas membuat enzim langsung terurai menjadi asam amino
2. BEnzim terdenaturasi: sisi aktifnya berubah bentuk
3. CEnzim bergerak terlalu lambat untuk bertemu substrat
4. DSubstrat berubah menjadi enzim yang lain

A student switches a light microscope from low power to high power. What happens to the field of view?

1. AIt gets larger but less detailed
2. BIt gets smaller and usually darker
3. CIt stays the same size but gets brighter
4. DIt gets larger and brighter

Why do cells get far more ATP from glucose when oxygen is present than when it is absent?

1. AWithout oxygen, glucose cannot enter the cell or be broken down at all
2. BWithout oxygen the Krebs cycle runs faster but makes less ATP
3. COxygen itself is converted into ATP in the mitochondria
4. DWithout oxygen only glycolysis runs, giving a net of 2 ATP per glucose

The number of bacteria in a sample rises from 200 to 500. What is the percentage increase?

1. A150%
2. B300%
3. C60%
4. D250%