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Questions and Answers
What is the process by which molecules of glucose move down their concentration gradient through a specific membrane protein called?
What is the process by which molecules of glucose move down their concentration gradient through a specific membrane protein called?
- Facilitated diffusion (correct)
- Osmosis
- Active transport
- Simple diffusion
Which of the following molecules can cross the cell membrane by simple diffusion?
Which of the following molecules can cross the cell membrane by simple diffusion?
- Large and charged molecules
- Small and charged molecules
- Small and uncharged molecules (correct)
- Large and uncharged molecules
According to the theory of endosymbiosis, which organelles are thought to have derived from free-living prokaryotic cells?
According to the theory of endosymbiosis, which organelles are thought to have derived from free-living prokaryotic cells?
- Chloroplasts only
- Mitochondria only
- Mitochondria and chloroplasts (correct)
- Nucleus and ribosomes
Which of the following processes involves the movement of water molecules across a semi-permeable membrane?
Which of the following processes involves the movement of water molecules across a semi-permeable membrane?
Which of the following organelles is responsible for processing and packaging proteins?
Which of the following organelles is responsible for processing and packaging proteins?
What is the process by which cells divide to produce new cells called?
What is the process by which cells divide to produce new cells called?
What are cells that have the ability to differentiate into many different cell types called?
What are cells that have the ability to differentiate into many different cell types called?
Which of the following is a complex carbohydrate that is stored in the muscles of humans and broken down during exercise?
Which of the following is a complex carbohydrate that is stored in the muscles of humans and broken down during exercise?
What are the macronutrients in a human diet?
What are the macronutrients in a human diet?
What are vitamins and minerals called in a human diet?
What are vitamins and minerals called in a human diet?
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