Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
How many different organic compounds are found in a single cell of the bacterium, Escherichia coli?
How many different organic compounds are found in a single cell of the bacterium, Escherichia coli?
- 1,000
- 90
- 100,000
- 6,000 (correct)
Which elements constitute about 90% of the dry weight of the human body?
Which elements constitute about 90% of the dry weight of the human body?
- Calcium, potassium, sodium, chlorine, magnesium, iron, copper, cobalt, iodine, zinc, fluorine, molybdenum and selenium
- Carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur, calcium, potassium, sodium, chlorine, magnesium, iron, copper, cobalt, iodine, zinc, fluorine, molybdenum and selenium
- Carbon, hydrogen, oxygen, nitrogen, phosphorus and magnesium
- Carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur (correct)
Which element is the most predominant and versatile element of life?
Which element is the most predominant and versatile element of life?
- Hydrogen
- Oxygen
- Nitrogen
- Carbon (correct)
What is the estimated number of different types of molecules that may be found in the human body?
What is the estimated number of different types of molecules that may be found in the human body?
Signup and view all the answers
What is the unique property of carbon that allows it to form an infinite number of compounds?
What is the unique property of carbon that allows it to form an infinite number of compounds?
Signup and view all the answers
