Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is a haploid cell?

1. AA cell with no nucleus
2. BA cell with one set of chromosomes
3. CA cell with an extra chromosome
4. DA cell with two sets of chromosomes

In genetics, what is a carrier?

1. AA person with two recessive alleles who has the disorder
2. BA person with one recessive allele for a disorder but no symptoms
3. CA person who has lost both alleles for the gene, so shows no trait
4. DA person who has a dominant disorder

What is true of a recessive allele?

1. AIt is found only on the X chromosome
2. BIt is always harmful to the organism
3. CIts trait shows whenever one copy is present
4. DIts trait shows only when two copies are present

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

1. AMetaphase
2. BAnaphase
3. CProphase
4. DTelophase

Which DNA bases are purines?

1. AAdenine and thymine
2. BCytosine and guanine
3. CAdenine and guanine
4. DCytosine and thymine

Kapan pindah silang antara kromosom homolog terjadi?

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

A farmer's crops grow poorly in soil lacking nitrates. Why do plants need nitrogen?

1. ATo build cellulose cell walls
2. BTo make amino acids, proteins and nucleic acids
3. CTo absorb more carbon dioxide through the stomata
4. DTo make glucose during photosynthesis

An mRNA reads AUG-UUU-GGC-UAA. How many amino acids are in the protein made from it?

1. A3
2. B12
3. C4
4. D2