Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

What is the aim of gene therapy?

1. ATo give a patient antibiotics through a vein to kill a virus
2. BTo change the patient's blood type
3. CTo remove all the genes from a patient's cells
4. DTo treat a disease by adding a working copy of a faulty gene

What does transfer RNA (tRNA) do?

1. AIt brings amino acids to the ribosome
2. BIt carries the code out of the nucleus
3. CIt joins two DNA strands together
4. DIt copies DNA in the nucleus

Which characteristic is shared by all living things?

1. AThey are made of many cells
2. BThey make their own food by photosynthesis
3. CThey respond to changes in their environment
4. DThey have a backbone and a brain

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe controlled variable
2. BThe independent variable
3. CThe dependent variable
4. DThe time the experiment started

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ASeedlings given salt water will grow less than those given plain water
2. BBean seedlings need sunlight and water to grow well
3. CSeedlings given plain water will die within a week
4. DSalt water is made of sodium chloride and water

What is the role of cholesterol in animal cell membranes?

1. AIt forms a rigid wall around the cell
2. BIt keeps membrane fluidity stable as temperature changes
3. CIt stores the cell's genetic information
4. DIt carries glucose molecules across the membrane into the cell

Kuris grafiko tipas geriausiai tinka parodyti, kaip paciento temperatūra kinta per 24 valandas?

1. AMitybos tinklas
2. BSkritulinė diagrama
3. CPunneto kvadratas
4. DLinijinė diagrama

The coding part of an mRNA is 900 bases long, including the start codon and the stop codon. How many amino acids are in the protein?

1. A300
2. B299
3. C900
4. D298