A Process Can Be Spontaneous at Low Temperature but Nonspontaneous

question 12

Multiple Choice

A process can be spontaneous at low temperature but nonspontaneous at high temperature if

• A) both DH and DS are positive
• B) both DH and DS are negative
• C) DH is positive and DS is negative
• D) DH is negative and DS is positive
• E) this can never happen

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Definitions:

cGMP

Cyclic guanosine monophosphate, a secondary messenger used in intracellular signal transduction, influencing cellular processes such as muscle relaxation and phototransduction.

Storage Granules

Organelles within cells that store and secrete various substances like hormones, neurotransmitters, or enzymes until they are needed.

Neurotransmitter

Chemical substances released from neuron endings to transmit signals across synapses to other neurons, muscles, or glands.

Peptide Transmitters

Short chains of amino acids that act as neurotransmitters in the brain.