Transcript B2 Revision Sheets. - New College Leicester

B2 REVISION – CHAPTER 1 – CELLS
What do plant cells have that animal
cells do not?
Sketch and label a plant and an animal
cell;
Use pictures and words to describe the three ways
substances can move in and out of cells
Diffusion
What is the function of:
Nucleus –
Mitochondria
Ribosomes
Osmosis
Chloroplasts
Cell Wall
Active Transport
Draw and label 2 specialised cells. Explain their structure is adapted to suit their
function
KEY WORDS:
Structure
Function
Specialised
Diffusion
Osmosis
ASSESSMENT:
B2 REVISION – CHAPTER 2 – HOW PLANTS PRODUCE FOOD
What is the equation for
photosynthesis
Why do plants need nitrates?
Respiration
Where in the plant does it occur?
How are leaves adapted to perform
photosynthesis?
Explain how plants use glucose for the following:
Why do plants need magnesium?
Transport
Explain how light, CO2 and temperature are limiting factors of photosynthesis
Storage
KEY WORDS:
Respiration
Photosynthesis
Limiting Factor
Nitrates
Magnesium
ASSESSMENT:
B2 REVISION – CHAPTER 3 – ENERGY FLOWS
What is the main source of energy
for living things?
What is biomass and how does it
change along a food chain?
What organisms break down matter?
What conditions do they require?
Explain how energy is lost in the following ways:
Waste
Why is the process of decay
important?
Movement
Describe how energy losses can be
reduced in food production
Describe the different forms
carbon can be found in, how it is
used, and how it is cycled
Maintaining Body Temperature
KEY WORDS:
Biomass
Decay
Decomposer
Carbon cycle
Energy
ASSESSMENT:
B2 REVISION – CHAPTER 4 – ENZYMES
What are enzymes made from?
What do enzymes do?
What is the equation for aerobic
respiration?
Where in the cell does it occur?
Why do we need respiration?
What are the 3 groups of enzymes in digestion? What is their
substrate and what do they break them down into?
1)
2)
How do they work? (explain & draw
the lock & key mechanism
3)
Why is the stomach acidic?
What effect does temperature
have on enzyme activity
What effect does pH have on
enzyme activity
Describe 3 industrial uses for
enzymes
What is bile, what does it do and how does it do it?
KEY WORDS:
Enzyme
Lock and Key
Denature
Aerobic respiration
Bile
Carbohydrase/Protease/Lipase
ASSESSMENT:
B2 REVISION – CHAPTER 5 – HOMEOSTASIS
What is homeostasis?
Explain why the following are
regulated:
Waste products
What part of the brain controls body
temperature?
How does the body control blood sugar levels? [Key Words:
Insulin, Glucagon, Glycogen, Pancreas, Liver, Blood]
Explain how the body:
a) Keeps Cool [e.g. how does sweating
help?]
What is diabetes?
CO2
What are the symptoms?
b) Keeps warm
Urea
Water & ions
How can it be treated?
KEY WORDS:
Homeostasis
Thermoregulatory Centre
Vasodilation/Vasoconstriction
Insulin/Glucagon
Glycogen
Diabetes
ASSESSMENT:
B2 REVISION – CHAPTER 6 – INHERITANCE
What is mitosis and why is it needed?
What are stem cells?
State 2 uses of stem cells:
How many chromosomes in a) gamete and b) somatic cell?
What is an allele?
What is differentiation?
What does a) dominant; and b) recessive mean?
How does it differ in plants and
animals?
State 2 problems with stem cell
research:
What is meiosis?
Chromosomes are made of long strands
of what?
What is Huntington’s Disease and what causes it?
What is Cystic Fibrosis and what causes it?
Small sections of this are called what?
Why is it important?
What do genes code for?
On the back, cross 2 CF carriers and describe the offspring
KEY WORDS:
How does it help generate variation?
What is DNA fingerprinting?
Chromosome
Mitosis / Meiosis
Gene
Allele
DNA
Stem Cells
ASSESSMENT: