CST Practice Time: Cell Biology

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Presentation transcript:

CST Practice Time: Cell Biology

Think about what a muscle cell does…or have to do! 1. Compared to a skin cell, a muscle cell is likely to have more — F Golgi bodies G mitochondria H cell membranes J chloroplasts Think about what a muscle cell does…or have to do!

2. A cell with numerous ribosomes is probably specialized for — F enzyme storage G energy production H cell division J protein synthesis Diagram is not essential…

3. Which of the following organelles is present in both prokaryotes and eukaryotes? A Nucleus B Ribosome C Golgi body D Endoplasmic reticulum

4. In the cell membrane model shown below, the molecules which move large molecules into and out of the cell are known as — A cholesterol B proteins C lipids D carbohydrates

5. The eukaryotic organism described above should be classified as — A an animal B a bacterium C a fungus D a plant Practice POE (process of elimination) on this one…

6. An important difference between viruses and living cells is that viruses — A cannot reproduce outside of cells B contain more nuclei than cells C cannot mutate but cells can D need an energy source but cells do not

7. Some organelles have their own DNA that is distinct from the cell’s nuclear DNA. This is true of which organelle? A cell wall B mitochondrion C plasma membrane D vacuole

8. Protein synthesis occurs at which of the structures shown below? Please ask students to identify each structure, I-IV, and state the function. Roman numerals do come up in diagrams.

9. Which cell process will move substances against a concentration gradient? A diffusion B facilitated diffusion C osmosis D active transport

10. Which of the following is a main function of structure 5? A. to store carbohydrates for later use B. to give the cell a rigid structure C. to package proteins for export D. to carry out photosynthesis