Biology National 5 Revision

Answer these biology related questions

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Last updated: April 30, 2019

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First submitted	April 30, 2019
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Average score	55.0%
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Question	Answer
Where does the second stage of aerobic respiration take place?	Mitochondria
The pH where an enzyme will function at its maximum activity is known as its...	Optimum pH
How many valve(s) does the heart have?	4
Where are the female gamates produced in humans?	Ovary
Where are the male gamates produced in plants?	Anthers
What is the formula for glucose?	C6H12O6
Name the process in which water moves via passive transport	Osmosis
Name the process in which a substance moves against a concentration gradient	Active Transport
How many strand(s) is DNA made up of?	2
Name the compound which is needed for the first stage of photosynthesis in plants	Water

Question	Answer
What material are plant cell walls composed of ?	Cellulose
Name an organelle unique to plant cells	Chloroplast
Name the organelle in bacterial cells which is responsible for storing genetic information	Plasmid
Name the hormone released by the pancreas which will result in a higher blood sugar level	Glucagon
What must bind to an enzyme's active site before a reaction can take place?	Substrate
Name one physical change to an enzyme that occurs when it is denatured	Shape
Name the process in which glucose is broken down into pyruvate which is then broken down into carbon dioxide and water	Aerobic Respiration
State the most common optimum temperature (in celcius) for enzyme reactions	37
How many set(s) of chromosomes do human haploid cells have?	1
State the most common optimum pH for enzyme reactions	7

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