AQA A-Level Biology Revision #1

Unit 1 - 8 Revision

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Last updated: March 31, 2024

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Question	Answer
What is the test for monosaccharides called?	Benedict's Test
Which organelle processes and packages new lipids and proteins?	Golgi
What does the rough ER have that the smooth ER doesn't?	Ribosomes
How are the alveoli adapted for gas exchange?	Large surface area
During crossing over mutations, what is the point where two chromatids cross called?	Chiasma
Name the process: When nitrates in the soil are converted into nitrogen gase by denitrifying bacteria.	Denitrification
Name the process: When nitrogen compounds from dead organisms are turned into ammonia by saprobionts.	Ammonification
What does IAA stand for?	Indoleacetic acid

Question	Answer
When baroreceptors detect high blood pressure, what do parasympathetic neurones secrete?	Acetylcholine
When baroreceptors detect low blood pressure, what do sympathetic neurones secrete?	Noradrenaline
What is the name of the protein that makes up thick myofilaments?	Myosin
What is the name of the protein that makes up thin myofilaments?	Actin
What do you call an organism that carries two different alleles, e.g. Bb?	Heterozygote
Which type of stem cell can only differentiate into one type of cell?	Unipotent
Name the third limiting factor of photosynthesis: carbon dioxide concentration, temperature, and _.	Light intensity