B3 Topic 1

Questions based on the Edexcel B3 Topic 1 content. (Specification from 2011).

?
Responses to a changing day length are called?
Photoperiodism
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Feeling sleepy, bowel movements, alertness, flowers opening and closing are all examples of?
Circadian rhythms
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Circadian rhythms in humans are regulated by over a 24 hour period by a timing mechanism called
Biological clock
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A medicinal drug produced by the cinchona tree used to treat malaria.
Quinine
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A medicinal drug produced by willow trees used to treat symptoms like pain and fever.
Asprin
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A medicinal drug in foxglove used in small amounts to treat heart disorders.
Digoxin
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A dye used as a qualitative test for the presence of significant numbers of bacteria in milk.
Resazurin dye
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The scientist who developed the technique pasteurisation.
Louis Pasteur
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The scientist who developed immunisation.
Edward Jenner
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Chemicals (proteins) found on the outer surface of pathogen which trigger the immune response.
Antigen
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Chemicals produced by some types of white blood cells which stick to pathogen antigens.
Antibodies
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Making someone immune to a disease is called?
Immunisation
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This type of lymphocyte produces antibodies.
B lymphocytes
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This type of therapy uses ionising radiation to treat cancers.
Radiotherapy
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When the immune system attacks the cells of transplanted organ we call this?
Rejection
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Name the process used to clean the blood of people with kidney failure using membranes to filter out waste products.
Dialysis
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The maintenance of an organism's water content and dissolved salt concentration is called?
Osmoregulation
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The kidneys are controlled by what gland?
Pituitary
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The empty follicle found in the ovaries becomes what structure?
Corpus luteum
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FSH and LH are hormones secreted by the?
Pituitary gland
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Osterogen is secreted by the?
Ovaries
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The corpus luteum secretes the hormone?
Progestrone
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Another name for a male or female sex cell is
gamete
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The head of a sperm cell contains contains a structure that contains enzymes to digest the membrane around the egg cell. What is it called?
Acrosome
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If a nucleus contains two sets of chromosomes it is called?
Diploid
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The term used to describe what a person looks like is called the?
Phenotype
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The term used to describe the alleles of a gene or genes possessed by an organism is called the?
Genotype
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A sex-linked genetic disorder in humans where the affected person cannot tell the difference between red and green.
Red-green colour blindness
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A blood clotting disorder caused by a recessive allele on the X chromosome
Haemophilia
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Other cards in this set

Card 2

Front

Feeling sleepy, bowel movements, alertness, flowers opening and closing are all examples of?

Back

Circadian rhythms

Card 3

Front

Circadian rhythms in humans are regulated by over a 24 hour period by a timing mechanism called

Back

Preview of the front of card 3

Card 4

Front

A medicinal drug produced by the cinchona tree used to treat malaria.

Back

Preview of the front of card 4

Card 5

Front

A medicinal drug produced by willow trees used to treat symptoms like pain and fever.

Back

Preview of the front of card 5
View more cards

Comments

Harry

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This is way too easy, would not reccommend this quiz, or this teacher for that matter.

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