Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What are the three parts of a nucleotide?

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

What is the main role of carbohydrates in the human diet?

1. ATo build muscle tissue
2. BTo provide a quick source of energy
3. CTo form antibodies
4. DTo carry the body's genetic information

Dalam suatu percobaan, apa itu variabel terikat?

1. AFaktor apa pun yang dijaga tetap konstan
2. BFaktor yang diukur untuk melihat pengaruhnya
3. CHipotesis yang sedang diuji
4. DFaktor yang sengaja diubah oleh peneliti

What is a chromosomal translocation?

1. AA piece of one chromosome attaches to a non-matching chromosome
2. BA piece of a chromosome is copied twice and stays in the same place
3. CA piece of a chromosome is flipped around in place
4. DOne DNA base is replaced by another base

Mengapa bakteri Gram-positif berwarna ungu pada pewarnaan Gram?

1. ADindingnya yang tipis ditutupi membran luar yang kaya lipid
2. BBakteri itu tidak memiliki dinding sel sama sekali
3. CBakteri itu mengandung klorofil
4. DDinding peptidoglikannya yang tebal menahan zat warna ungu

What do the spindle fibres do during cell division?

1. AThey attach to chromosomes and move them to the poles
2. BThey copy the DNA of each chromosome before the cell divides
3. CThey make the new nuclear envelope
4. DThey digest the old cell membrane

A linear DNA molecule is fully cut by a restriction enzyme, giving fragments of 500, 300 and 200 base pairs. How long was the original molecule?

1. A1500 base pairs
2. B300 base pairs
3. C1000 base pairs
4. D500 base pairs

A karyotype shows 45 chromosomes, with a single X chromosome and no Y. Which condition is this?

1. ADown syndrome
2. BTurner syndrome
3. CKlinefelter syndrome
4. DA typical male karyotype