Cell Biology | Organisation | Infection and Response | Bioenergetics | Ecology |
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What is a structure in the body that is adapted to increase diffusion rate?
Alveoli or villi
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Name an enzyme responsible for the chemical break down of starch
Amylase (carbohydrases)
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What is a way to treat bacterial disease
antibiotics
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What is the amount of oxygen needed to break down lactic acid
oxygen debt
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What is a space in which all the species and environmental factors are in balance, hence population sizes remain fairly constant
Stable community
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By which cell division type does cloning occur?
Mitosis
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What is a substance that speeds up chemical reactions but don't get used up
Catalyst
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What is an adaptation of a plant to defend against herbivores
thorns/Hairy stems and leaves/Drooping or curling/Mimicry
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Is photosynthesis endothermic or exothermic?
endothermic
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What does the arrow in a food chain or food web represent?
Energy transferred
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What is the single new cell formed right after fusion of gametes(sperm and egg)
Zygote
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Name a method to unblock a coronary artery in the heart
stent
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Neither the doctors nor the patients know who gets the real drug/placebo
Double-blind trial
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Where does aerobic respiration occur in the cell?
mitochondria
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State the four ways in which biomass can be lost from an animal
1. Through faeces; 2. Through urine; 3. To provide energy for movement; 4. Heat loss from respiration to surroundings
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What is the relationship between size and surface area to volume ratio.
The bigger the size, the smaller the SA:V
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What is constant movement of water through xylem from roots to leaves
transpiration
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How does ionising radiation causes mutation
penetrate cell, damage the chromosomes (DNA)
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Broad leaves/Thin/Have chlorophyll/Air spaces/Guard cells to regulate stomata opening are all examples of?
Adaptations of the leaf that increase the rate of photosynthesis
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What is huddling by penguins to reduce transfer of thermal energy an example of?
Behavioural adaptation
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Some bacteria have an extra layer on top of their cell walls. What is the name of that layer?
Slime Capsule
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What is a piece of equipment used to estimate transpiration rate
potometer
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What is a liquid/gel with specific nutrients to support microorganism growth
culture medium
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What is an organele of plant cells that allows glucose to be stored as starch
amyloplast
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Which domain tends to include most extremophiles?
Archaea
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