Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Empat basa apa yang terdapat pada DNA?

1. AAdenin, urasil, guanin, dan sitosin
2. BAdenin, timin, glukosa, dan sitosin
3. CAlanin, timin, glisin, dan sistein
4. DAdenin, timin, guanin, dan sitosin

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

1. AHelicase
2. BLipase
3. CAmylase
4. DLigase

What are homologous chromosomes?

1. AA matching pair, one from each parent, that carry the same genes
2. BTwo identical copies of one chromosome made when DNA is replicated
3. CTwo chromosomes that are always the X and the Y
4. DChromosomes that are found only in gametes

What is a prion?

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

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ASalt water is made of sodium chloride and water
2. BSeedlings given plain water will die within a week
3. CSeedlings given salt water will grow less than those given plain water
4. DBean seedlings need sunlight and water to grow well

Urutan mana yang komplementer dengan untai DNA A-T-G-C-C-A?

1. AG-C-A-T-T-G
2. BU-A-C-G-G-U
3. CT-A-C-G-G-T
4. DA-T-G-C-C-A

A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?

1. A3
2. B4
3. C6
4. D2

Untuk mengetahui seberapa banyak orang dewasa di sebuah kota berolahraga, seorang peneliti hanya mensurvei orang yang keluar dari pusat kebugaran. Apa masalah utamanya?

1. ASampelnya terlalu acak untuk berguna
2. BPeneliti tidak memiliki variabel terikat
3. CSampelnya bias ke arah orang yang aktif
4. DSurvei tidak pernah dapat dipakai dalam sains