Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa yang dilakukan lisosom?

1. AMenyimpan informasi genetik sel
2. BMenangkap energi cahaya untuk sel
3. CMembuat protein dari asam amino
4. DMencerna limbah dan bagian yang sudah aus

What are the parts of a triglyceride (a fat molecule)?

1. AOne glycerol and three fatty acids
2. BThree glucose units and one phosphate
3. COne amino acid and three fatty acids
4. DTwo glycerols and one fatty acid

Which organelle makes lipids and helps break down drugs and toxins in liver cells?

1. ASmooth endoplasmic reticulum
2. BRough endoplasmic reticulum
3. CNucleolus
4. DCentriole

What is meant by independent assortment in meiosis?

1. ASister chromatids stay joined until the end of meiosis, so all gametes are identical
2. BHomologous pairs line up randomly, so gametes get different mixes of chromosomes
3. CDNA is copied separately in each chromosome
4. DAll chromosomes from the mother go into the same gamete

The results of an experiment do not support the hypothesis. What should the scientist do next?

1. AReport that the hypothesis was proven correct
2. BChange the data so they fit the hypothesis
3. CRevise the hypothesis and test it again
4. DStop doing any further research on the question

During which division of meiosis do homologous chromosomes separate?

1. ANeither, because they separate in mitosis
2. BBoth meiosis I and meiosis II
3. CMeiosis I
4. DMeiosis II

Why does cooking oil not mix with water?

1. AOil molecules are polar and repel the charged ends of water molecules
2. BWater molecules are nonpolar and avoid each other
3. COil is denser than water and sinks
4. DOil molecules are nonpolar and cannot form hydrogen bonds with water

Plasmids with an ampicillin-resistance gene are mixed with bacteria, which are then spread on a plate containing ampicillin. Why do only a few colonies grow?

1. AAmpicillin makes some bacteria take up the plasmid
2. BOnly the bacteria that took up the plasmid can survive
3. CThe plasmid kills the bacteria that do not grow
4. DAll the bacteria die, and the colonies are fungi