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9C Plants @ AJHS

9C plants and photosynthesis

QuestionAnswer
aerobic respiration Chemical reaction that releases energy from glucose. It uses up oxygen and produces carbon dioxide and water.
biomass The mass of material (except water) that makes up an organism.
chlorophyll Green substance found inside chloroplasts. It absorbs light.
glucose Type of sugar made during photosynthesis.
photosynthesis Chemical reaction that plants use to make their own food. It needs light to work. Carbon dioxide and water are the reactants and glucose and oxygen are the products.
raw material Something used up in a chemical reaction. Also called a reactant.
reactant Something used up in a chemical reaction. Also called a raw material.
phloem tube Tube made from chains of living phloem cells. Carries glucose and other soluble substances up and down the plant.
product Something made in a chemical reaction.
starch Insoluble carbohydrate made from glucose and used as a storage material in plants.
word equation Simple way of showing what happens in a chemical reaction.
adapted When something has a particular shape to help it do a function (job). A root hair cell has a shape that helps it absorb water and is said to be ‘adapted to its function’.
amino acids The building blocks of proteins.
biomass The mass of material (except water) that makes up an organism.
cellulose A substance used to make cell walls.
chlorophyll Green substance found inside chloroplasts. It absorbs light.
chloroplast Green disc containing chlorophyll. Found in plant cells. Where glucose is made by photosynthesis.
diffusion The random movement of particles from where there are a lot of them to where there are fewer of them.
fat Substance needed by living things to make cell membranes. Our bodies also use fats as a store of energy and to keep warm.
function Something’s job.
guard cells Cells which open and close the stomata.
mineral salt Chemical found in soil that plants need to grow healthily.
nitrate Mineral salt that plants need to make proteins.
oil Liquid fat, often found in nuts and seeds.
palisade cells Cells found in leaves, containing many chloroplasts.
protein A substance made from amino acids. Proteins are needed for growth and repair.
starch Insoluble carbohydrate made from glucose and used as a storage material in plants.
stoma Singular of stomata.
stomata Small holes on the underside of leaves which let gases into and out of the leaf.
absorb Soak up.
function Something’s job.
mineral salt Chemical found in soil that plants need for healthy growth.
nitrate Mineral salt that plants need to make proteins.
phloem tube Tube made from chains of living phloem cells. Carries glucose and other soluble substances up and down the plant.
root hair cell Cell found in roots. The root hair has a large surface area to help the cell absorb water quickly.
wilting When a plant does not have enough water and droops.
xylem tubes Tube made from chains of dead, hollow xylem cells. Carries water and dissolved mineral salts up a plant.
global warming The process of the Earth’s atmosphere warming up. It is partly caused by an increase in carbon dioxide in the air.
methane The gas that is ‘natural gas’. Also formed in large amounts in the digestive systems of cows. Methane absorbs heat and so helps global warming.
Created by: johncl
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