Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Ozmos, hangi maddenin seçici geçirgen bir zardan difüzyonudur?

1. ASodyum iyonlarının
2. BGlikozun
3. CSuyun
4. DProteinlerin

Which group of biomolecules forms the basic bilayer of the cell membrane and also stores long-term energy?

1. AProteins
2. BNucleic acids
3. CCarbohydrates
4. DLipids

What is cell differentiation?

1. AThe process by which cells die on purpose
2. BThe process by which DNA is copied
3. CThe process by which a cell divides into two
4. DThe process by which cells become specialised

Why can DNA profiling (fingerprinting) identify individual people?

1. ARepeated non-coding DNA regions vary in length between people
2. BEvery person has a different number of chromosomes in their cells
3. CDNA in blood differs from DNA in skin
4. DEach person's genes code for different amino acids

By which process does oxygen enter a cell and carbon dioxide leave it?

1. AEndocytosis in small vesicles
2. BSimple diffusion through the lipid bilayer
3. CActive transport by membrane pumps
4. DFacilitated diffusion through glucose carriers

Aktif taşımayı hangi ifade tanımlar?

1. AYalnızca ölü hücrelerde gerçekleşir
2. BZardan yalnızca suyu geçirir
3. CMaddeleri hiç enerji kullanmadan derişim farkı yönünde taşır
4. DMaddeleri derişim farkına karşı taşımak için enerji kullanır

HIV infects and destroys helper T cells. Why do people with untreated advanced HIV get infections that healthy people rarely get?

1. AThe virus turns harmless microbes into pathogens
2. BHIV kills the normal flora of the skin and gut
3. CHelper T cells make the antibiotics that the body needs to fight infection
4. DTheir immune response is too weak to control normally harmless microbes

In an onion root tip, 90 of 100 cells are in interphase and 10 are in mitosis. If the whole cell cycle takes 20 hours, about how long does mitosis last?

1. A0,5 hours
2. B18 hours
3. C2 hours
4. D10 hours