Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which type of microscope is needed to see a virus?

1. AA dissecting microscope
2. BA magnifying glass
3. CA light microscope
4. DAn electron microscope

What is the correct order of the phases of mitosis?

1. AProphase, anaphase, metaphase, telophase
2. BMetaphase, prophase, anaphase, telophase
3. CProphase, metaphase, anaphase, telophase
4. DTelophase, anaphase, metaphase, prophase

Which enzyme unwinds the DNA double helix and separates the two strands for copying?

1. ALigase
2. BHelicase
3. CLipase
4. DAmylase

In which phase of mitosis do the chromosomes condense and the nuclear envelope break down?

1. AProphase
2. BAnaphase
3. CMetaphase
4. DTelophase

HIV is a retrovirus. What does its enzyme reverse transcriptase do?

1. AIt makes DNA from the virus's RNA
2. BIt breaks down the host's ribosomes
3. CIt makes proteins from the virus's DNA
4. DIt makes RNA from the host's DNA

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey get the most light and do most of the photosynthesis
2. BThey carry sugars from the leaves down to the roots
3. CThey protect the leaf from insects and strong winds
4. DThey store most of the plant's water for dry periods

Why are there usually far fewer top predators than herbivores in an ecosystem?

1. ATop predators need less energy than herbivores
2. BHerbivores eat the young of top predators
3. CEnergy is lost at each step, leaving little for the top level
4. DTop predators reproduce faster than herbivores, so they die sooner

Sel otot memakai banyak energi. Organel apa yang Anda harapkan ada dalam jumlah besar pada sel otot?

1. AMitokondria
2. BLisosom
3. CKloroplas
4. DVakuola