Podcast
Questions and Answers
What is the primary function of lipids?
What is the primary function of lipids?
- To speed up biochemical reactions
- To kill other bacteria
- To form plasma membranes that enclose cells (correct)
- To transport certain chemicals into and out of cells
Which group of compounds is structurally very different from lipids?
Which group of compounds is structurally very different from lipids?
- Proteins
- Triglycerides
- Steroids (correct)
- Fatty acids
In a living cell, which organic compound group would tip the scale if separated and weighed?
In a living cell, which organic compound group would tip the scale if separated and weighed?
- Triglycerides
- Fatty acids
- Lipids
- Proteins (correct)
Which proteins speed up biochemical reactions?
Which proteins speed up biochemical reactions?
What is the essential function of transporter proteins?
What is the essential function of transporter proteins?
Which organic compound group is important constituents of the plasma membranes of animal cells and mycoplasmas?
Which organic compound group is important constituents of the plasma membranes of animal cells and mycoplasmas?
What is the main energy-supplying molecule of living cells?
What is the main energy-supplying molecule of living cells?
Which type of carbohydrates consist of tens or hundreds of monosaccharides joined through dehydration synthesis?
Which type of carbohydrates consist of tens or hundreds of monosaccharides joined through dehydration synthesis?
What is composed of glucose subunits and synthesized as a storage material by animals and some bacteria?
What is composed of glucose subunits and synthesized as a storage material by animals and some bacteria?
Which compound is the main component of the cell walls of plants and most algae?
Which compound is the main component of the cell walls of plants and most algae?
Which group of organic compounds found in living matter provides the structure of membranes and some cell walls?
Which group of organic compounds found in living matter provides the structure of membranes and some cell walls?
If lipids were to suddenly disappear from the Earth, what would be the consequence for living cells?
If lipids were to suddenly disappear from the Earth, what would be the consequence for living cells?
What are characteristic functional groups in organic compounds?
What are characteristic functional groups in organic compounds?
Which organic compound includes sugars and starches?
Which organic compound includes sugars and starches?
What is the main function of deoxyribose in living organisms?
What is the main function of deoxyribose in living organisms?
What is the principal function of carbohydrates in living systems?
What is the principal function of carbohydrates in living systems?
Which type of sugars are called monosaccharides?
Which type of sugars are called monosaccharides?
What is the role of hexoses and pentoses in living organisms?
What is the role of hexoses and pentoses in living organisms?
What ions do acids dissociate into in an aqueous environment?
What ions do acids dissociate into in an aqueous environment?
How does the pH scale express the amount of H+ in a solution?
How does the pH scale express the amount of H+ in a solution?
What happens to enzymes in cells when acid or base concentrations are too high or too low?
What happens to enzymes in cells when acid or base concentrations are too high or too low?
Which ions are free in a solution that is considered acidic?
Which ions are free in a solution that is considered acidic?
Why is it important for organisms to maintain a balance of acids and bases?
Why is it important for organisms to maintain a balance of acids and bases?
In terms of the pH scale, what does a change of one whole number represent?
In terms of the pH scale, what does a change of one whole number represent?
What is the role of water in facilitating the passage of nutrients through cell membranes?
What is the role of water in facilitating the passage of nutrients through cell membranes?
How does water contribute to most chemical reactions inside living cells?
How does water contribute to most chemical reactions inside living cells?
What defines an acid based on its ability to donate?
What defines an acid based on its ability to donate?
Which ions do bases dissociate into when in water?
Which ions do bases dissociate into when in water?
What differentiates a salt from acids and bases?
What differentiates a salt from acids and bases?
In the context of acid-base balance, the pH scale measures the concentration of which ions?
In the context of acid-base balance, the pH scale measures the concentration of which ions?
What is the primary function of pH buffers in living organisms?
What is the primary function of pH buffers in living organisms?
Which of the following is NOT a factor that can alter the pH in the environment's water and soil?
Which of the following is NOT a factor that can alter the pH in the environment's water and soil?
What is the significance of adding pH buffers to a culture medium in a laboratory?
What is the significance of adding pH buffers to a culture medium in a laboratory?
Which of the following building blocks are carbohydrates primarily composed of?
Which of the following building blocks are carbohydrates primarily composed of?
In the context of organic compounds, what differentiates simple lipids from complex lipids and steroids?
In the context of organic compounds, what differentiates simple lipids from complex lipids and steroids?
What is the role of the pH scale in understanding acid-base balance?
What is the role of the pH scale in understanding acid-base balance?
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