(Solved): Fill in the blanks (1 point each) ____________________ are microorganisms that grow at very low tem ...

Fill in the blanks (1 point each)

1. ____________________ are microorganisms that grow at very low temperatures and can sustain freezing conditions (< 0°C).
2. Microorganisms that require oxygen for their growth are called ___________________.
3. Helicobacter pylori can grow in very acidic conditions of the stomach (preferring pH 1-2), therefore it is considered an ________________  __________________ microorganism.
4. Proteins that increase the rate of a metabolic reaction while they remain unchanged themselves are called _____________________.
5. ______________________ is an anaerobic process where pyruvate does not enter the citric acid cycle but is transformed into final products such as alcohol, organic acids or CO₂.
6. _____________________ is the biosynthetic process in which light energy is captured and transferred for synthesis of carbohydrates.

Find the correct answer (1 point each)

7. Hyperthermophiles are microorganisms capable of growth in:

1. polar ice caps.         
2. oceanic hot-water vents.     
3. warm sand.
4. human body.

8. Metabolic reactions in which the substrates are degraded are called:

1. cationic reactions.   
2. catabolic reactions.
3. catatonic reactions.
4. anabolic reactions.

9. An important source of cellular energy comes from the energy rich bonds of:

1. ATF
2. DNA
3. ATP
4. DDT

10. Enzymes:

1. are required in big amounts to perform one chemical reaction.
2. are not reusable and need to be replenished constantly.
3. are not directly involved in metabolism but work as substrates of various reactions.
4. A and C are correct.
5. None of the answers are true.

11. Glycolysis in cellular respiration:

1. uses proteins as energy sources.
2. relies on breaking down glucose to provide energy.
3. is essential for all the microorganisms.
4. takes place in plants.

True or false? (1 point each)

12. Extremophiles are microorganisms that like to cause extremely deadly diseases. T / F
13. Thermophiles are microorganisms that produce excessive heat due to their fast metabolism. 

T / F

14. Halophiles are microorganisms inhabiting high-salt environments. T / F