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Biology 9 - CSF
Honors Biology Grade 9, Chapter 4: Cell Structure and Function
| Question | Answer |
|---|---|
| The ultratructure of a chloroplast could be best studied using a | transmission electron microscope |
| The cells of an ant and a horse are, on average, the same small size; a horse just has more of them. What is the advantage of small cells? | Small cells can better take up sufficient nutrients and oxygen to provide for their needs |
| Microscopy | study of life using microscopes |
| Prokaryotic cells | bacteria and archaea; have no membrane bound nucleus |
| Eukaryotic cells | have a nucleus |
| Nucleus | contains the DNA of a cell |
| Endomembrane system | collection of membrane organelles that manufacture cell products |
| Smooth ER | synthesizes lipids |
| Rough ER | manufactures membranes, covered in ribosomes that produce proteins |
| Lysosomes | digest and recycle |
| Mitochondria | carry out cellular respiration |