Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Pernyataan mana yang menggambarkan bakteri?

1. ABakteri adalah prokariot bersel tunggal
2. BBakteri bukan sel melainkan partikel protein dan DNA
3. CBakteri adalah eukariot bersel tunggal dengan nukleus
4. DBakteri adalah organisme bersel banyak seperti tumbuhan

Apa satuan terkecil yang dianggap hidup?

1. ASel
2. BJaringan
3. CAtom
4. DMolekul

Glukosa adalah contoh dari jenis molekul apa?

1. AMonosakarida
2. BPolisakarida
3. CProtein
4. DLipid

A protein is made to be secreted out of the cell. What path does it follow?

1. ANucleus, then lysosome, then Golgi apparatus, then cell membrane
2. BRough ER, then Golgi apparatus, then vesicle, then cell membrane
3. CGolgi apparatus, then rough ER, then nucleus, then cell membrane
4. DSmooth ER, then mitochondrion, then vesicle, then cell membrane

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. AOsmosis
2. BExocytosis
3. CEndocytosis
4. DPhagocytosis

What is the job of the checkpoints in the cell cycle?

1. ATo copy the DNA a second time before mitosis
2. BTo speed up division whenever the cell is short of nutrients or space
3. CTo join the two daughter cells back together
4. DTo stop the cycle if the DNA is damaged or the cell is not ready

A dihybrid cross gives offspring in a ratio of about 9 : 3 : 3 : 1. What does this suggest?

1. AThe two genes are tightly linked on the same chromosome
2. BOne parent is AaBb and the other is homozygous aabb
3. CBoth parents are heterozygous for two genes that assort independently
4. DBoth parents are homozygous dominant for both genes

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 make glucose during photosynthesis
4. DTo absorb more carbon dioxide through the stomata