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Definition of hypoglycemia, variable, trisomy, thyroid gland, solvation, plasma membrane, zymogen, cytochrome, control, electrode

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Definition of hypoglycemia (noun)
form: no plural

low glucose concentration in the blood

Examples
Symptoms of hypoglycemia are fatigue, confusion, drowsiness, irritability fits and collapse.

Definition of hypoglycemia
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Definition of variable (noun)
form plural: variables

a factor which can change and needs to be accounted for in a situation or experiment

Examples
It is difficult to control for all the variables in an experiment.

Definition of variable
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Definition of trisomy (noun)
form plural: trisomies

a condition in which a chromosome is present in a triplet rather than a pair

Examples
Down's syndrome is an example of a trisomy.

Definition of trisomy
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Definition of thyroid gland (noun)
form plural: thyroid glands

gland that lies in front of the trachea and has two lobes

Examples
The thyroid gland helps control the metabolic rate.

Definition of thyroid gland
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Definition of solvation (noun)
form: no plural

chemical reaction in which solvent molecules or ions combine with each other and build a new compund

Examples
Solvation or dissolution is the interaction between solute and solvent molecules.

Definition of solvation
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Definition of plasma membrane (noun)
form plural: plasma membranes

lamellar tissue that surrounds and covers a cell and its contents

Examples
The plasma membrane is semi-permeable and is largely made up of proteins and phospholipids.

Definition of plasma membrane
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Definition of zymogen (noun)
form plural: zymogens

enzyme which is secreted in an inactive form and transformed in an active form under certain physiological conditions

Examples
Pesinogen is a zymogen which is transformed in the digestive tract to the enzyme pepsin.

Definition of zymogen
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Definition of cytochrome (noun)
form plural: cytochromes

the iron containing proteins which are part of the electron transport chain

Examples
Cytochromes like FAD and NAD are needed for cellular respiration.

Definition of cytochrome
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Definition of control (noun)
form plural: controls

used as a basis for comparison in scientific experiments

Examples
When new drugs are tested, a placebo is given as a control.

Definition of control
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Definition of electrode (noun)
form plural: electrodes

the piece of conducting material through which an electric current enters and leaves a liquid or gas

Examples
Electrodes are usually made of metal or carbon.

Definition of electrode
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