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Figure 1.1 is a transmission electron micrograph (TEM) image of a chloroplast. Explain why this image was made using a transmission electron microscope rather than a light microscope. How did you do?
Describe the structure and function of a ribosome. Formed of protein & rRNA free in cytoplasm or attached to ER. - Site of protein synthesis via translation: - large subunit: joins amino acids - small subunit: contains mRNA binding site
Use the diagram to explain how this cell is adapted for each of these functions. Use a different feature in the diagram for each of your answers. ... Study with Quizlet and memorise flashcards containing terms like 1) An amoeba is a single-celled, eukaryotic organism.
Start studying AQA Biology: Cell Structure. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
- What is the name of a double layer of phospholipids (called lipid bilayer)? Plasma membrane. Cytoskeleton. C. Cellulose cell wall. D. Endoplasmic Reticulum.
- Where is the location of the plasma membrane? Surrounding the cell. In the cytoplasm. C. In the nucleus. D. In the mitochondria. Correct Answer. A. Surrounding the cell.
- What is the function of the cell membrane? Gives the cell shape and protection and regulates the movement of substances into and out of the cell. Makes protein.
- What is the function of the mitochondria and its location? In cytoplasm produces ATP. In the cytoplasm, it breaks down food and foreign material. C. Middle of the cell, brain.
Summary notes and past exam questions by topic for AQA Biology AS and A-Level Topic 2 - Cells.
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The cells in the diagram are drawn to a length of 100 mm in the student’s textbook. The actual length of the animal cell is 60 micrometers (µm). Calculate the magnification of the animal cell to 2 significant figures. Show clearly how you work out your answer.