Q1 · hard · AI-verified
In which phase of mitosis do chromosomes align at the cell's equatorial plate?
- Anaphase
- Telophase
- Prophase
- Metaphase
Q2 · hard · AI-verified
In the human digestive system, which enzyme present in pancreatic juice is responsible for breaking down proteins into smaller peptides in the small intestine?
- Trypsin
- Amylase
- Lipase
- Pepsin
Q3 · hard · AI-verified
A red blood cell is placed in a solution and it swells up and bursts (haemolysis). What type of solution was it placed in?
- Isotonic solution
- Hypotonic solution
- Hypertonic solution
- Saturated solution
Q4 · hard · AI-verified
During aerobic respiration, glucose is completely oxidized. In which cellular organelle does the Krebs cycle (citric acid cycle) occur?
- Inner membrane of mitochondria
- Cytoplasm
- Nucleus
- Matrix of mitochondria
Q5 · hard · AI-verified
During anaerobic respiration in yeast, glucose is broken down to produce ethanol and carbon dioxide. What is the net gain of ATP molecules per glucose molecule in this process?
- 36 ATP
- 38 ATP
- 2 ATP
- 4 ATP