Examlex
Archaea and Bacteria do not have membrane-enclosed internal compartments called organelles;therefore,they are known as _______.
Correlational Research
A type of non-experimental research method that involves observing two variables to determine if there is a relationship between them.
Experimental Research
Experimental research is a scientific study where the researcher manipulates one variable to determine if it causes a change in another variable, applied within controlled conditions.
Alcohol
A chemical substance that can alter mood and behavior, typically found in drinks such as beer, wine, and spirits.
Neurotransmitter Levels
The concentration of chemical messengers in the brain that transmit signals across synapses from one neuron to another.
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