Podcast
Questions and Answers
What is the primary function of the channel protein in the fluid mosaic model of the cell membrane?
What is the primary function of the channel protein in the fluid mosaic model of the cell membrane?
- To synthesize cholesterol
- To transport water-soluble molecules via diffusion (correct)
- To regulate the temperature of the cell
- To provide structural support to the cell membrane
What is the advantage of having a higher surface area to volume ratio in cells?
What is the advantage of having a higher surface area to volume ratio in cells?
- It allows for more efficient cellular respiration
- It enables the cell to coordinate activities more effectively
- It makes the cell more efficient in terms of material transport (correct)
- It increases the cell's ability to move materials
What is the term for the process by which water moves from an area of high concentration to an area of low concentration across a semi-permeable membrane?
What is the term for the process by which water moves from an area of high concentration to an area of low concentration across a semi-permeable membrane?
- Active transport
- Osmosis (correct)
- Passive transport
- Diffusion
What is a characteristic of all cells, according to cell theory?
What is a characteristic of all cells, according to cell theory?
What is the primary function of the transmission electron microscope (TEM) in cell biology?
What is the primary function of the transmission electron microscope (TEM) in cell biology?
What is the main difference between Archaebacteria and Eubacteria?
What is the main difference between Archaebacteria and Eubacteria?
What is the role of phospholipids in the fluid mosaic model of the cell membrane?
What is the role of phospholipids in the fluid mosaic model of the cell membrane?
What is a characteristic of prokaryotic cells?
What is a characteristic of prokaryotic cells?
What is the term for the ability of the cell membrane to control what enters and leaves the cell?
What is the term for the ability of the cell membrane to control what enters and leaves the cell?
What is the function of the large central vacuole in plant cells?
What is the function of the large central vacuole in plant cells?
What is a characteristic of animal cells?
What is a characteristic of animal cells?
What is the main difference between Gram positive and Gram negative bacteria?
What is the main difference between Gram positive and Gram negative bacteria?