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Questions and Answers
Which of the following is true about the movement of molecules such as glucose and amino acids:
Which of the following is true about the movement of molecules such as glucose and amino acids:
- They pass across the cell membrane via facilitated diffusion (correct)
- They cross the cell membrane because it is semi-permeable
- They cannot cross the cell membrane
- They cross the cell membrane through aquaporins
The concentration of sodium ions is lower inside the cell than the concentration in the extracellular solution. This occurs due to
The concentration of sodium ions is lower inside the cell than the concentration in the extracellular solution. This occurs due to
- passive transport
- osmosis
- active transport (correct)
- diffusion
If a cell lacked ribosomes, it would not be able to:
If a cell lacked ribosomes, it would not be able to:
- synthesize proteins (correct)
- break down fats
- carry out oxidative respiration
- form a spindle apparatus
The main function of mitochondria is:
The main function of mitochondria is:
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The cellular organelle responsible for the degradation of proteins is:
The cellular organelle responsible for the degradation of proteins is:
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Individual human cells, such as heart muscle cells and neurons, can survive on their own in laboratory conditions for some time. Which of the following processes helps these cells to survive under these conditions?
Individual human cells, such as heart muscle cells and neurons, can survive on their own in laboratory conditions for some time. Which of the following processes helps these cells to survive under these conditions?
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Which organelle is described as “where proteins are processed and sorted ready for trafficking”?
Which organelle is described as “where proteins are processed and sorted ready for trafficking”?
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