Podcast
Questions and Answers
What are the four major elements found in 96% of living organisms?
What are the four major elements found in 96% of living organisms?
- Mercury, Lead, Arsenic, Cadmium
- Calcium, Iron, Magnesium, Phosphorus
- Carbon, Hydrogen, Oxygen, Nitrogen (correct)
- Sodium, Potassium, Chlorine, Sulfur
Which of the following is not one of the molecules of life mentioned in the text?
Which of the following is not one of the molecules of life mentioned in the text?
- Carbohydrates
- Nucleic Acids
- Metals (correct)
- Proteins
Why do living organisms eat according to the text?
Why do living organisms eat according to the text?
- To avoid dehydration
- To eliminate waste products
- To gain more energy for growth and repair (correct)
- To reduce body temperature
What is the most abundant inorganic compound in the human body according to the text?
What is the most abundant inorganic compound in the human body according to the text?
What is essential for building blocks and energy for building and running bodies according to the text?
What is essential for building blocks and energy for building and running bodies according to the text?
Which element is NOT mentioned as one of the major elements found in living organisms?
Which element is NOT mentioned as one of the major elements found in living organisms?
What is the function of a catalyst in a chemical reaction?
What is the function of a catalyst in a chemical reaction?
Which two components fit together like a lock and key during an enzyme-catalyzed reaction?
Which two components fit together like a lock and key during an enzyme-catalyzed reaction?
What is the main role of enzymes in biological systems?
What is the main role of enzymes in biological systems?
Which part of the enzyme-substrate complex is eventually released as a product?
Which part of the enzyme-substrate complex is eventually released as a product?
What is the significance of activation energy in a chemical reaction?
What is the significance of activation energy in a chemical reaction?
Why are enzymes important in living tissues for speeding up reactions?
Why are enzymes important in living tissues for speeding up reactions?
What is the process of building bigger molecules from smaller molecules called?
What is the process of building bigger molecules from smaller molecules called?
What are proteins primarily built from?
What are proteins primarily built from?
Which large organic molecule is built from sugars?
Which large organic molecule is built from sugars?
What is the main function of digestion in the body?
What is the main function of digestion in the body?
Which large molecule is primarily built from nucleotides?
Which large molecule is primarily built from nucleotides?
In the context of building important polymers, what is the role of ATP?
In the context of building important polymers, what is the role of ATP?