Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What does ATP stand for?

1. AAdenosine diphosphate
2. BAmino triphosphate
3. CAdenosine triphosphate
4. DAdenine tetraphosphate

How does a vaccine protect a person?

1. AIt trains the immune system with a harmless form of a pathogen
2. BIt blocks the pathogen from entering the nose
3. CIt replaces the person's white blood cells with stronger ones
4. DIt kills all bacteria in the body straight away

What is a eukaryote?

1. AAn organism made of a single cell without a nucleus
2. BAn organism that lives only in extreme heat
3. CA virus that infects animal cells
4. DAn organism whose cells have a nucleus

What is a prion?

1. AA very small virus with a DNA genome
2. BA misfolded protein that causes normal proteins to misfold
3. CA bacterium without a cell wall that lives inside nerve cells
4. DA fungal spore that infects the brain

Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?

1. AIn the mitochondrial matrix
2. BIn the nucleus
3. COn the rough endoplasmic reticulum
4. DIn the cytoplasm

What causes cohesion between water molecules?

1. AMagnetic forces between hydrogen atoms
2. BCovalent bonds between neighbouring molecules
3. CIonic bonds between oxygen atoms
4. DHydrogen bonds between neighbouring molecules

Satu basa tambahan disisipkan di dekat awal sebuah gen. Mengapa hal ini biasanya berdampak besar pada protein?

1. AMenggeser kerangka baca semua kodon berikutnya
2. BHanya mengubah satu asam amino dalam protein
3. CMengubah gen itu menjadi kromosom yang berbeda
4. DTidak berdampak karena kodenya redundan

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

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