Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

What is an organism's genome?

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

Which elements make up carbohydrates?

1. ACarbon, hydrogen and oxygen
2. BCarbon, nitrogen and sulfur
3. CCarbon, hydrogen and nitrogen
4. DHydrogen, oxygen and phosphorus

How does a vaccine protect a person?

1. AIt trains the immune system with a harmless form of a pathogen
2. BIt replaces the person's white blood cells with stronger ones
3. CIt blocks the pathogen from entering the nose
4. DIt kills all bacteria in the body straight away

In gel electrophoresis, why does DNA move towards the positive electrode?

1. ADNA is pulled by gravity through the gel
2. BDNA has a negative charge from its phosphate groups
3. CDNA has no charge and moves at random
4. DDNA has a positive charge from the nitrogen bases it contains

A tablet contains 2,5 g of a substance. How many milligrams is this?

1. A25 mg
2. B2500 mg
3. C0,0025 mg
4. D250 mg

In a eukaryotic cell, where does transcription take place?

1. AIn the lysosomes
2. BOn ribosomes in the cytoplasm
3. CIn the nucleus
4. DIn the Golgi apparatus

A human body cell has 46 chromosomes in G1. How many chromatids does it have at metaphase of mitosis?

1. A92
2. B46
3. C23
4. D184

After a meal, blood glucose rises. Which response brings it back to normal?

1. AThe liver stops storing glycogen and releases more glucose
2. BThe pancreas releases insulin, and cells take up glucose
3. CThe pancreas releases glucagon, and the liver releases glucose
4. DThe kidneys release insulin into the urine