Podcast
Questions and Answers
What is the primary purpose of photosynthesis?
What is the primary purpose of photosynthesis?
- To convert light energy into chemical energy (correct)
- To produce oxygen as a byproduct
- To fuel the organism's activities
- To synthesize carbohydrate molecules
Which organisms are referred to as photoautotrophs?
Which organisms are referred to as photoautotrophs?
- Protozoa and viruses
- Animals and humans
- Plants, algae, and cyanobacteria (correct)
- Fungi and bacteria
What is the byproduct of oxygenic photosynthesis?
What is the byproduct of oxygenic photosynthesis?
- Oxygen (correct)
- Carbon dioxide
- Hydrogen sulfide
- Sulfur
Which pigment is used by some archaea to directly synthesize ATP in anoxygenic photosynthesis?
Which pigment is used by some archaea to directly synthesize ATP in anoxygenic photosynthesis?
What does non-carbon-fixing anoxygenic photosynthesis use as a reductant instead of water?
What does non-carbon-fixing anoxygenic photosynthesis use as a reductant instead of water?
Which stage of digestion involves the mechanical breakdown of food by chewing and the chemical breakdown by digestive enzymes in the mouth?
Which stage of digestion involves the mechanical breakdown of food by chewing and the chemical breakdown by digestive enzymes in the mouth?
Which organ secretes the digestive enzymes amylase and lingual lipase?
Which organ secretes the digestive enzymes amylase and lingual lipase?
Where does the gastric phase of digestion occur?
Where does the gastric phase of digestion occur?
Which accessory organ produces a number of enzymes involved in the intestinal phase of digestion?
Which accessory organ produces a number of enzymes involved in the intestinal phase of digestion?
What produces a bolus which is swallowed down the esophagus to enter the stomach?
What produces a bolus which is swallowed down the esophagus to enter the stomach?
