Biology B2 - Topic 1:The building blocks of cells 0.0 / 5 ? BiologyCells, tissues and organsGCSEEdexcel Created by: aminaCreated on: 26-05-13 20:58 What is the function of the cell membrane? Separates the content in the cell, and what goes in and out of it 1 of 8 Why can't you see mitochondria in the light micrograph of a cell? Because they are very tiny and cannot be seen easily, especially through a light microscope at low magnification 2 of 8 What do Chloroplasts contain, and what do they allow the Chloroplasts to do? They contain Chlorophyll, a green pigment which allows the Chloroplasts to absorb light energy for photosynthesis 3 of 8 What are the differences between the two types of DNA found in bacterial cells? Chromosomal DNA contains most of the genetic material, whereas the Plasmid DNA carries extra information 4 of 8 What do some bacteria have on the outside of the cell? Flagella 5 of 8 Where are the chromosomes found? Nucleus 6 of 8 One gene contains the instructions for one... Protein 7 of 8 What is a double helix? Two strands in a DNA molecule that are coiled together, forming a spiral of which is known as the double helix 8 of 8
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