You are part of a research group experimenting with signaling molecules that would tell cancer cells to stop dividing. The cancer cells have inactive receptors on their plasma membrane so you need an alternate method of getting the signals into the cells. What could you use?
A. Plasmodesmata for direct contact.
B. Stimulate the pituitary gland to send the signal as a hormone.
C. Gap junctions for direct contact.
D. Through the synaptic cleft of a neuron.
Answers: 3
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Which best describes carbon dioxide’s path out of the body
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Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides
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On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?
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You are part of a research group experimenting with signaling molecules that would tell cancer cells...
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