정답이 있는 간호학 입학 시험 대비 생물학 학습지

What is a decomposer?

1. AAn organism that makes food from sunlight
2. BAn animal that eats only plants
3. CAn organism that breaks down dead material
4. DAn animal that hunts other animals

In an enzyme reaction, what is the substrate?

1. AThe product released at the end
2. BThe substance that the enzyme acts on
3. CThe part of the enzyme that changes shape
4. DThe gene that codes for the enzyme

What is a eukaryote?

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

What causes cohesion between water molecules?

1. AMagnetic forces between hydrogen atoms
2. BCovalent bonds between neighbouring molecules
3. CHydrogen bonds between neighbouring molecules
4. DIonic bonds between oxygen atoms

What is a prion?

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

Which statement about identical and non-identical twins is correct?

1. AIdentical twins come from two eggs that are fertilised by a single sperm
2. BNon-identical twins come from one zygote that splits in two
3. CIdentical twins come from one zygote; non-identical twins come from two
4. DBoth kinds of twin always share all of their genes

Some chemotherapy drugs stop spindle fibres from forming. Why do they often cause hair loss and damage to the gut lining?

1. AThese cells have no mitochondria
2. BThese tissues are made only of haploid cells
3. CThese cells divide by meiosis instead of mitosis
4. DThese tissues also contain rapidly dividing cells

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA larger bottle of the same mouthwash for each patient
2. BA survey asking patients if they liked it
3. CA longer explanation in the report
4. DA comparable group that does not use the mouthwash