Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is the main material in the cell wall of bacteria?

1. ACellulose
2. BPeptidoglycan
3. CKeratin
4. DChitin

What is the correct order of levels of organisation, from smallest to largest?

1. ACell, tissue, organ, organ system, organism
2. BTissue, cell, organ, organism, organ system
3. CCell, organ, tissue, organism, organ system
4. DOrgan, tissue, cell, organ system, organism

What are restriction enzymes?

1. AEnzymes that copy RNA into DNA
2. BEnzymes that join amino acids into proteins
3. CEnzymes that cut DNA at specific base sequences
4. DEnzymes that digest fats in the intestine

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

1. ASmooth endoplasmic reticulum
2. BCentral vacuoles
3. CChloroplasts
4. DLysosomes

Where does the oxygen released by photosynthesis come from?

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

How are photosynthesis and aerobic respiration related?

1. ABoth release oxygen into the air
2. BBoth happen only in animal cells, never in plant cells
3. CThe products of one are the reactants of the other
4. DBoth take place only in chloroplasts

PCR starts with one double-stranded DNA molecule, and the number of copies doubles each cycle. How many copies are there after 10 cycles?

1. A512
2. B1024
3. C100
4. D20

Why can standard DNA profiling not tell identical twins apart?

1. AIdentical twins have no non-coding DNA
2. BIdentical twins come from one zygote and have the same DNA
3. CTwins always share the same fingerprints on their hands
4. DOnly one twin inherits the father's DNA