Cell Structure and Function
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Cell Structure and Function
Identify the cell
The aquarium team examines cells from a bacterium living in a tank filter and from a fish. Use the observations in the table for Questions 1–3.
Feature
Filter bacterium
Fish cell
Nucleus
Absent
Present
Ribosomes
Present
Present
Cell surface membrane
Present
Present
Mitochondria
Absent
Present
- It has ribosomes.
- It lacks a nucleus.
- It has a cell surface membrane.
- It lacks mitochondria.
Structure supports function
Nia is investigating how eukaryotic cells carry out particular jobs.
- A. Ribosome
- B. Rough endoplasmic reticulum
- C. Golgi apparatus
- D. Mitochondrion
- 2. Site of protein synthesis
- 4. Site of aerobic respiration and most ATP production
- 1. Modifies and packages proteins into vesicles
- 3. Folds and transports proteins; has ribosomes attached
Explain and apply
Oliver and Ellis compare cell specialisation and the shared features of life.
3 printable pages
Page 1
Page 2
Page 3
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