Cells 0.0 / 5 ? BiologyCells, tissues and organsGCSEAll boards Created by: eleanorl06Created on: 17-06-20 16:36 What is a cell? A cell is the basic building block of life, from which all living organisms are made. 1 of 13 What is the difference between unicellular organisms and multicellular organisms? Unicellular organisms consist of one single cell whereas multicellular organisms consist of many cells 2 of 13 Why are cells so small? Cells are so small because they must mantain a surface to volume ratio that allows efficient diffusion of materials throughout the cell. 3 of 13 What are the two types of microscopes? Optical microscopes and electron microscopes. 4 of 13 How do prokaryotic cells enclose their genetic material? Prokaryotic cells enclose their genetic material within one single loop of DNA 5 of 13 How do eukaryotic cells enclose their genetic material? Eukaryotic cells enclose their genetic material within the nucleus. 6 of 13 What is the main function of the nucleus? To control the cell 7 of 13 What is the main function of the ribosome? To build protein 8 of 13 What is the largest cell in the human body? The female egg cell 9 of 13 What is the smallest cell in the human body? The male sperm cell 10 of 13 If cell A is 100 times larger than cell B, how many orders of magnitude bigger is cell B? 2 orders of magnitude 11 of 13 What are chromosomes made from? DNA 12 of 13 Which part of the cell membrane recognises specific substances? The receptor molecules 13 of 13
Comments
No comments have yet been made