Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is a chromosome?

1. AA single gene that codes for one protein
2. BA strand of RNA that leaves the nucleus
3. CA long DNA molecule, packed with proteins, carrying many genes
4. DA small organelle in the cytoplasm that makes ATP for the cell

What is the job of messenger RNA (mRNA)?

1. AIt forms the main structure of the ribosome
2. BIt carries the genetic code from DNA to the ribosomes
3. CIt stores genetic information in the nucleus permanently
4. DIt carries amino acids to the ribosomes

Kontrol grubunun amacı nedir?

1. AUygulama yapılan grupla karşılaştırma için bir referans sağlamak
2. BDeneyin daha çabuk bitmesini sağlamak
3. CHipotez ihtiyacının yerini almak
4. DSınanan uygulamanın mümkün olan en yüksek dozunu almak

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

1. AFat, then glycogen, then ATP
2. BGlycogen, then ATP, then fat
3. CATP, then glycogen, then fat
4. DATP, then fat, then glycogen

A greenhouse is warm and brightly lit, but the air has very little carbon dioxide. What is most likely limiting the rate of photosynthesis?

1. AThe number of stomata
2. BThe carbon dioxide concentration
3. CThe light intensity in the greenhouse
4. DThe temperature

Which is an example of negative feedback?

1. AA wound becoming more inflamed over time
2. BSweating when body temperature rises
3. CContractions growing stronger during labour
4. DBlood clotting speeding up once it starts

Mature human red blood cells have no nucleus and no mitochondria. What follows from this?

1. AThey keep making new haemoglobin throughout their life
2. BThey live longer than almost all other body cells
3. CThey make ATP by aerobic respiration using the oxygen they carry
4. DThey cannot divide and make their ATP by glycolysis only

Cystic fibrosis is caused by a faulty CFTR protein, which forms a chloride channel in the cell membrane. Which process is directly affected?

1. AProduction of ATP in the mitochondria
2. BMovement of chloride ions through a membrane protein
3. CCopying of DNA in the nucleus
4. DDiffusion of oxygen molecules through the lipid bilayer