BIG Easter Tesr Flashcards
Minerals in plants: what is nitrates for?
Contains nitrogen for making amino acids and proteins
For cell growth
Where is the nephron structure found?
In the kidney
Minerals in plants: what is phosphates for?
Contain phosphates for making DNA and cell membranes
For respiration and growth
Minerals in plants: what is potassium for?
To help the enzymes for photosynthesis and respiration
Minerals in plants: what is magnesium
for?
To make Chlorophyll to keep the pigment green not yellow
What is ment by the term ‘greenhouse gas’?
A gas that collects heat energy keeping it from exiting the atmosphere
What is an example of a plant that can reproduce asexually?
Strawberry runners- produces stems that grow out sideways, take root at various points and start to grow
How do you test a leaf for starch?
- boil leaf (kills-stops any chemical reactions in leaf)
- put leaf in boiling tube with ethanol&heat in water bath
- rinse leaf in cold water add a few drops of iodine solution-turns blue-black if starch is present
Enzymes in digestion: why are substances broken down?
To go through the walls of the digestive system
Enzymes in digestion: what does amylase do?
Breaks down starch into amino acids
Enzymes in digestion: what does maltase do?
Breaks down maltose to glucose
Enzymes in digestion: what does proteases do?
Break down proteins to amino acids
Enzymes in digestion: what does lipases do?
Convert lipids to glycerol AND fatty acids
What is saprotrophic nutrition?
Fungi secrets enzymes to dissolve nutrients so it can be absorbed
What is the process that a plant looses water?
Transpiration
