B1 0.0 / 5 ? BiologyCells, tissues and organsGCSEAQA Created by: euphrosynayCreated on: 09-04-18 11:39 which kingdom do algae belong to? protista 1 of 23 what are algae? simple aquatic organisms 2 of 23 where in a plant are chloroplasts found? all of its green parts 3 of 23 which plant cells don't have chloroplasts? root hair cells, inner stem, bulbs, flower, fruit 4 of 23 what are bacterial cell walls made of? polysaccharide chains (not cellulose) 5 of 23 what are plasmids? small rings of DNA outside the DNA loop 6 of 23 what do plasmids do? code for specific features, e.g. antibiotic resistance 7 of 23 what is a flagellum? long protein strand that lashes about 8 of 23 what do dendrites do? make connections to other nerve cells 9 of 23 what do axons do? carry nerve impulses from one place to another 10 of 23 why do synapses have lots of mitochondria? to release energy needed for making neurotransmitters 11 of 23 which chemical can muscles store? glycogen 12 of 23 how do muscle fibres contract? proteins slide over each other 13 of 23 what are sperm cells adapted to do? swim through water / female reproductive system; break into egg 14 of 23 what does the sperm's acrosome store? digestive enzymes, to break down the egg's outer layers 15 of 23 how does a large permanent vacuole help the cell? keeps it rigid 16 of 23 where can diffusion happen? in solution, or in a gas 17 of 23 what is the concentration gradient of a substance? its difference in concentration between two areas 18 of 23 what is gas exchange? diffusion of O2 and CO2 in different directions in the lungs 19 of 23 what is turgor? pressure that builds up in a plant cell until no more water can enter it 20 of 23 what can happen in plasmolysis? the cell membrane can pull away from the cell wall 21 of 23 where does active transport move glucose to? to the blood, from the gut 22 of 23 how do fish keep a constant flow of water? pump water over gills using the operculum 23 of 23
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