Podcast
Questions and Answers
What is the term for the phase when water moves from the environment to the cytoplasm and to the contractile vacuole?
What is the term for the phase when water moves from the environment to the cytoplasm and to the contractile vacuole?
- Osmoregulation
- Diastole (correct)
- Exocytosis
- Systole
Which organelle is involved in excretion and osmoregulation in Paramecium caudatum?
Which organelle is involved in excretion and osmoregulation in Paramecium caudatum?
- Mitochondria
- Contractile vacuole (correct)
- Nucleus
- Endoplasmic reticulum
What does systole refer to in relation to the contractile vacuole?
What does systole refer to in relation to the contractile vacuole?
- Water moves out of the vacuole (correct)
- Osmotic pressure increases in the vacuole
- Water moves into the vacuole
- Nutrients are stored in the vacuole
In the context of water expulsion, what is the function of exocytosis?
In the context of water expulsion, what is the function of exocytosis?
Which term specifically relates to the regulation of water balance in a cell?
Which term specifically relates to the regulation of water balance in a cell?
What does the contractile vacuole do in regards to excess water in Euglenas?
What does the contractile vacuole do in regards to excess water in Euglenas?
What is the primary function of excretion in organisms?
What is the primary function of excretion in organisms?
Which of the following substances is an example of a nitrogenous waste?
Which of the following substances is an example of a nitrogenous waste?
What happens to the nitrogen-containing amino group during catabolism?
What happens to the nitrogen-containing amino group during catabolism?
Which process is responsible for removing water and nitrogenous wastes from organisms?
Which process is responsible for removing water and nitrogenous wastes from organisms?
Where are nitrogenous wastes like ammonia, urea, and uric acid primarily removed from in animals?
Where are nitrogenous wastes like ammonia, urea, and uric acid primarily removed from in animals?
Which process do some aquatic organisms use to excrete highly toxic ammonia before it reaches dangerous concentrations?
Which process do some aquatic organisms use to excrete highly toxic ammonia before it reaches dangerous concentrations?
What is the primary function of a contractile vacuole?
What is the primary function of a contractile vacuole?
How does a contractile vacuole help organisms in hypertonic environments?
How does a contractile vacuole help organisms in hypertonic environments?
What process do amoebas utilize to expel toxic wastes and excess water?
What process do amoebas utilize to expel toxic wastes and excess water?
What does exocytosis involve?
What does exocytosis involve?
In paramecium, what happens when the canals around the contractile vacuole fill with water?
In paramecium, what happens when the canals around the contractile vacuole fill with water?
How does exocytosis differ from endocytosis?
How does exocytosis differ from endocytosis?
