Cerrar
What is a BALANCED DIET?
Explain why we require CARBOHYDRATES.
Explain why we require FATS.
Explain why we require PROTEIN.
What are the effects of an UNBALANCED DIET?
What is an INDEPENDENT COMPANY? (Revision from 2016 unit 1 exam LOLZ)
Explain what an UNBALANCED DIET may LEAD TO.
What is the METABOLIC RATE?
State 5 FACTORS that can affect METABOLIC RATE.
What is a PATHOGEN?
Explain how viruses cause infection/disease.
State 3 facts about WHITE BLOOD CELLS.
Pathogens contain certain chemicals that are foreign to the body. WHAT ARE THOSE???!!!
What are ANTIBODIES?
What does a VACCINATION involve?
What do vaccines CONTAIN?
Explain Semmelweiss' work.
What are PAINKILLERS and how do they work?
What are ANTIBIOTICS and how do they work?
Describe how 3 common antibiotics work:
What is MRSA and how can we avoid it?
Explain the main steps in the development of resistance (HIGHER TEIR ONLY!)
State 3 conditions that are required for Petri dishes.
Why would it be dangerous to incubate cultures above 37°C?
What are RECEPTORS?
Receptors for 5 parts of the body:
What are NEURONES?
The action of a reflex action:
What is a SYNAPSE?
What is a REFLEX ACTION?
What are HORMONES?
How are ION LEVELS controlled in the body?
How is TEMPERATURE controlled in the body?
How are SUGAR LEVELS controlled in the body?
Explain the sequence of the menstrual cycle:
What are CONTRACEPTIVES?
Explain the benefits and risks of contraceptives.
Explain how IVF works.
What is a TROPISM?
State the 2 types of tropism:
What are AUXINS?
Explain how GEOTROPISM/GRAVITROPISM works.
What are DRUGS?
Explain the use of DOUBLE BLIND TRIALS.
Explain the use of Thalidomide then and now. (1/3)
Explain the use of Thalidomide then and now. (2/3)
Explain the use of Thalidomide then and now. (3/3)
What is an ADDICTION? (or DEPENDENCY?)
Smoking increases the risks of:
What are ILLEGAL DRUGS?
State the 2 types of Performance-enhancing drugs:
What do animals COMPETE FOR?
What do plants COMPETE FOR?
Explain 3 adaptations for animals who live in a COLD CLIMATE.
Explain 3 adaptations for animals who live in a HOT CLIMATE.
Explain 3 adaptations for plants who live in a HOT CLIMATE.
What are EXTREMOPHILES???
State 3 extreme conditions that extremophiles can live in:
What will happen if prey OR predator levels rise?
What is the most common type of air pollution?
What are LICHENS???
State 3 types of lichens and the conditions that they can handle.
How is WATER POLLUTION caused?
State 4 indicators of water pollution:
How is RAINFALL measured?
How is TEMPERATURE measured?
How is OXYGEN measured?
What do FOOD CHAINS show?
Most of the available energy is used up in other ways. WHY???
What is BIOMASS???
What is DECAY?
State 3 factors that affect DECAY.
Explain the CARBON CYCLE. (1/3)
Explain the CARBON CYCLE. (2/3)
Explain the CARBON CYCLE. (3/3)
The number of genes and chromosomes varies from species to species. Give examples:
What is a GENE?
Give 3 examples of inherited factors (IN HUMANS ONLY):
Give 5 factors of ENVIRONMENTAL VARIATION:
What is the difference between SEXUAL REPRODUCTION and ASEXUAL REPRODUCTION???
How can plants be CLONED???
Explain the process of SEXUAL REPRODUCTION (and no, nothing dirty kids).
Explain the process of ASEXUAL REPRODUCTION.
Explain the process of CUTTINGS.
Explain the process of TISSUE CULTURE.
Explain the process of ADULT CELL CLONING.
Explain the process of GENETIC MODIFICATION (GM)
Explain the BENEFITS and PROBLEMS of GM.
Darwin's theory was not accepted until now. WHY???
Explain Lamark's theory:
Explain Darwin's theory of NATURAL SELECTION:
What are MUTATIONS???
