Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

What does transfer RNA (tRNA) do?

1. AIt copies DNA in the nucleus
2. BIt carries the code out of the nucleus
3. CIt brings amino acids to the ribosome
4. DIt joins two DNA strands together

Which enzyme adds new nucleotides to build a new DNA strand?

1. AHelicase
2. BPepsin
3. CDNA polymerase
4. DRNA polymerase

Which of these hormones is a steroid?

1. AGrowth hormone
2. BGlucagon
3. CInsulin
4. DTestosterone

Bilakah pindah silang antara kromosom homolog berlaku?

1. ADalam fasa S interfasa
2. BDalam anafasa mitosis
3. CDalam profasa I meiosis
4. DDalam telofasa II meiosis

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A80 beats per minute
2. B73 beats per minute
3. C72 beats per minute
4. D74 beats per minute

Identical twins raised in different homes have different body weights. What does this show?

1. AThe twins must have different genotypes for body weight genes
2. BBody weight is controlled by a single gene
3. CMutations happened in every cell of one twin
4. DThe phenotype depends on environment as well as genotype

Why are modified viruses often used to deliver genes in gene therapy?

1. AViruses can reproduce without a host cell
2. BViruses produce antibodies that fix faulty genes
3. CViruses are larger than human cells, so they can carry many genes
4. DViruses naturally insert their genetic material into host cells

Mengapakah antibiotik tidak menyembuhkan jangkitan virus seperti selesema biasa?

1. AVirus dibunuh oleh badan sebelum antibiotik sempat bertindak
2. BAntibiotik hanya berkesan pada jangkitan kulit
3. CVirus terlalu besar untuk dicapai oleh antibiotik
4. DVirus tidak mempunyai dinding sel, ribosom dan metabolisme yang disasarkan oleh antibiotik