Which of the following terms describes a substance formed by the combination of two or more elements in definite proportions?

a) compound
b) isotope
c) nucleus
d) enzyme


Ans: a) compound

Biology & Microbiology

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Some members of the Domain Bacteria have

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Why are both blood and bone considered connective tissue?

What will be an ideal response?

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the main substrates for gluconeogenesis are the three carbon long molecules of alanine, glycerol, and _________

Fill in the blank(s) with the appropriate word(s).

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You have added a specific amount of excitatory neurotransmitter mixed with a 6× higher concentration of an inhibitory neurotransmitter to a synaptic cleft. You expect that the postsynaptic neuron will

A) produce 6× its normal number of action potentials. B) produce 6× its normal number of negative action potentials. C) show a net hyperpolarization as a result of neuronal integration. D) show a net depolarization as a result of neuronal integration. E) not respond to either signal.

Biology & Microbiology