Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

What is the correct order of the phases of mitosis?

1. ATelophase, anaphase, metaphase, prophase
2. BProphase, metaphase, anaphase, telophase
3. CProphase, anaphase, metaphase, telophase
4. DMetaphase, prophase, anaphase, telophase

Organel mana yang menghasilkan sebagian besar ATP dalam sel eukariot?

1. AMitokondria
2. BBadan Golgi
3. CLisosom
4. DRibosom

What are the three parts of a nucleotide?

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

Where does the oxygen released by photosynthesis come from?

1. AFrom carbon dioxide molecules that are split
2. BFrom glucose that is broken down
3. CFrom chlorophyll that is used up
4. DFrom water molecules that are split

What is the role of cholesterol in animal cell membranes?

1. AIt carries glucose molecules across the membrane into the cell
2. BIt keeps membrane fluidity stable as temperature changes
3. CIt stores the cell's genetic information
4. DIt forms a rigid wall around the cell

Mengapa suhu yang sangat tinggi menghentikan kerja sebagian besar enzim?

1. ASubstrat berubah menjadi enzim yang lain
2. BEnzim bergerak terlalu lambat untuk bertemu substrat
3. CEnzim terdenaturasi: sisi aktifnya berubah bentuk
4. DPanas membuat enzim langsung terurai menjadi asam amino

Mengapa antibiotik tidak menyembuhkan infeksi virus seperti pilek biasa?

1. AVirus terlalu besar untuk dijangkau antibiotik
2. BVirus dibunuh tubuh sebelum antibiotik sempat bekerja
3. CAntibiotik hanya bekerja pada infeksi kulit
4. DVirus tidak memiliki dinding sel, ribosom, dan metabolisme yang menjadi sasaran antibiotik

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

1. AHer red cells may become Rh positive after the birth
2. BThe first baby's antibodies remain in her blood and attack her
3. CShe may have made anti-D antibodies that cross the placenta
4. DThe second baby will be unable to make any red cells