Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa satuan terkecil yang dianggap hidup?

1. AAtom
2. BMolekul
3. CJaringan
4. DSel

Basa mana yang ada pada RNA tetapi tidak pada DNA?

1. AGuanin
2. BUrasil
3. CAdenin
4. DTimin

What is a genetically modified organism (GMO)?

1. AAn organism that has been grown in a greenhouse
2. BAn organism whose DNA has been changed by genetic engineering
3. CAn organism produced by normal sexual reproduction between two parents
4. DAn organism that has caught a virus

During which division of meiosis do homologous chromosomes separate?

1. AMeiosis I
2. BBoth meiosis I and meiosis II
3. CMeiosis II
4. DNeither, because they separate in mitosis

In gel electrophoresis, why does DNA move towards the positive electrode?

1. ADNA has no charge and moves at random
2. BDNA has a negative charge from its phosphate groups
3. CDNA has a positive charge from the nitrogen bases it contains
4. DDNA is pulled by gravity through the gel

Kapan pindah silang antara kromosom homolog terjadi?

1. APada telofase II meiosis
2. BPada fase S interfase
3. CPada anafase mitosis
4. DPada profase I meiosis

Mengapa setiap enzim biasanya hanya bekerja pada satu jenis substrat?

1. ASubstrat dibuat oleh enzim itu sendiri
2. BSetiap enzim mengandung DNA substratnya
3. CEnzim hanya dapat bekerja di dalam nukleus
4. DBentuk sisi aktifnya hanya cocok dengan substrat itu

A plant that is AaBb is crossed with an AaBB plant. A and B are dominant, and the genes assort independently. What fraction of the offspring show both dominant traits?

1. A1/2
2. B9/16
3. C3/4
4. D1/4