Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Which pigment absorbs light energy for photosynthesis?

1. AHaemoglobin
2. BMelanin
3. CChlorophyll
4. DKeratin

What is the resolution of a microscope?

1. AHow many times larger it makes the image of the specimen
2. BIts ability to show two close points as separate
3. CHow large the field of view is
4. DHow bright the image appears

What is an organism's genome?

1. AThe traits that can be seen
2. BThe proteins made by one cell
3. CAll of its genetic material
4. DA single gene on one chromosome

Which element is found in all amino acids but not in carbohydrates?

1. AOxygen
2. BNitrogen
3. CHydrogen
4. DCarbon

Which sequence describes the usual flow of genetic information in a cell?

1. ADNA to protein to RNA
2. BProtein to RNA to DNA
3. CRNA to DNA to protein
4. DDNA to RNA to protein

Which is an example of negative feedback?

1. ABlood clotting speeding up once it starts
2. BContractions growing stronger during labour
3. CSweating when body temperature rises
4. DA wound becoming more inflamed over time

One sample of an enzyme is boiled and then cooled to 37 °C. Another is kept at 4 °C and then warmed to 37 °C. Which sample will work at 37 °C?

1. ABoth samples will work equally well
2. BOnly the sample that was boiled
3. COnly the sample that was kept at 4 °C
4. DNeither sample will work

Some snakes and whales have tiny remains of hip bones that are not used for walking. What do these structures suggest?

1. AThey will grow legs in the future
2. BThey were caused by a recent mutation
3. CThe bones are needed for swimming
4. DTheir ancestors had legs