Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa bentuk molekul DNA?

1. AUntai tunggal yang lurus
2. BHeliks tiga
3. CCincin datar
4. DHeliks ganda

What are the three parts of a nucleotide?

1. AA glycerol, a phosphate and a fatty acid
2. BA carboxyl group, a base and a lipid
3. CA phosphate, a sugar and a nitrogen base
4. DAn amino group, a sugar and a fatty acid

Which protein carries oxygen in red blood cells?

1. ACollagen
2. BKeratin
3. CInsulin
4. DHaemoglobin

Lactose (milk sugar) is a disaccharide. Which two monosaccharides is it made of?

1. AGlucose and galactose
2. BGlucose and fructose
3. CGlucose and glucose
4. DFructose and galactose

What are introns?

1. ACoding sections joined together to form the mature mRNA
2. BNon-coding sections removed from pre-mRNA before translation
3. CCodons that tell the ribosome to stop translation
4. DShort pieces of DNA made on the lagging strand

Dua induk heterozigot (Aa × Aa) disilangkan, dan A dominan penuh. Berapa perbandingan fenotipe yang diharapkan?

1. ASemuanya dominan
2. B1 dominan : 1 resesif
3. C1 dominan : 2 antara : 1 resesif
4. D3 dominan : 1 resesif

Some chemotherapy drugs stop spindle fibres from forming. Why do they often cause hair loss and damage to the gut lining?

1. AThese tissues also contain rapidly dividing cells
2. BThese tissues are made only of haploid cells
3. CThese cells divide by meiosis instead of mitosis
4. DThese cells have no mitochondria

Why is ATP described as an energy carrier rather than a long-term energy store?

1. AATP can be made only in plants
2. BATP is stored in large amounts in fat tissue
3. CCells hold only a little and constantly recycle it from ADP
4. DATP contains no energy in its bonds, so it cannot be stored