Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

How many strands does an RNA molecule usually have?

1. AThree
2. BTwo
3. CFour
4. DOne

Which protein carries oxygen in red blood cells?

1. AHaemoglobin
2. BKeratin
3. CCollagen
4. DInsulin

What is an inference?

1. AA variable that the scientist changes on purpose
2. BA conclusion reached from observations and prior knowledge
3. CA measurement taken with a calibrated instrument in a laboratory
4. DA list of the materials used in an experiment

Why are stains such as iodine or methylene blue added to cells on a microscope slide?

1. ATo make the cells larger
2. BTo make structures easier to see
3. CTo make the cells divide
4. DTo keep the cells alive for longer

Hasil suatu percobaan sesuai dengan prediksi hipotesis. Apa kesimpulan terbaik?

1. AHipotesis kini menjadi hukum alam
2. BHipotesis terbukti benar untuk semua kasus
3. CHipotesis didukung, tetapi belum terbukti
4. DTidak diperlukan percobaan lanjutan lagi

White blood cells called macrophages engulf and digest bacteria. Which organelle would you expect them to have in large numbers?

1. AChloroplasts
2. BLysosomes
3. CSmooth endoplasmic reticulum
4. DCentral vacuoles

Liver cells take in cholesterol-carrying LDL particles only after the particles bind to specific proteins on the cell surface. Which process is this?

1. AReceptor-mediated endocytosis
2. BPinocytosis of extracellular fluid
3. CExocytosis
4. DSimple diffusion

A bag made of membrane that lets only water through contains a 10% sugar solution. It is placed in a beaker of 5% sugar solution. What happens?

1. ANothing changes, because sugar cannot cross
2. BWater moves into the bag, and the bag gains mass
3. CSugar moves out of the bag until both are 7,5%
4. DWater moves out of the bag, and the bag loses mass