Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is endocytosis?

1. ASplitting the cytoplasm after the nucleus divides
2. BTaking material into the cell by folding the membrane around it
3. CReleasing material from the cell by fusing vesicles with the membrane
4. DMoving water across the membrane by osmosis

Which molecules, made by immune cells, bind to specific antigens?

1. AAntibodies
2. BPhospholipids
3. CEnzymes
4. DHormones

Amino asitlerden proteinler hangi yapılarda sentezlenir?

1. ARibozomlarda
2. BKoful (vakuol) yapılarında
3. CLizozomlarda
4. DSentriyollerde

Which list puts these human energy sources in order from fastest to use to longest-lasting store?

1. AATP, then fat, then glycogen
2. BFat, then glycogen, then ATP
3. CGlycogen, then ATP, then fat
4. DATP, then glycogen, then fat

HIV is a retrovirus. What does its enzyme reverse transcriptase do?

1. AIt makes proteins from the virus's DNA
2. BIt breaks down the host's ribosomes
3. CIt makes RNA from the host's DNA
4. DIt makes DNA from the virus's RNA

Which statement best describes biological evolution?

1. AChange in the body of one organism during its lifetime
2. BChange in the inherited traits of a population over generations
3. CMovement of animals to a new habitat each year
4. DGrowth of an organism from a single zygote to a fully grown adult

Bacteria from hot springs have enzymes that work best at about 80 °C, while most human enzymes work best near 37 °C. What is the best explanation?

1. ATheir enzymes are made of lipids, not proteins
2. BHigh temperature never affects any enzyme
3. CTheir enzymes have structures that stay stable at high temperatures
4. DTheir enzymes do not have an active site, so heat cannot affect them

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA survey asking patients if they liked it
2. BA comparable group that does not use the mouthwash
3. CA longer explanation in the report
4. DA larger bottle of the same mouthwash for each patient