Examlex
Memory cells do not require B cell receptors.
Vending Machine
A machine that dispenses small articles such as snacks, beverages, alcohol, cigarettes, or lottery tickets to customers automatically, after the customer inserts currency or credit.
Coin
A piece of metal issued by governmental authority as money.
Discriminative Stimulus
A signal in the environment that increases the likelihood of a particular response because it indicates that a specific reinforcement is available.
Generalization Stimulus
The process by which a response is made in the presence of a new stimulus that is similar, but not identical, to the original conditioned stimulus.
Q2: You discovered a unicellular organism that lacks
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Q55: Maturation of stem cells into mature blood