What is the function of signal transduction?
What will be an ideal response?
ANSWER: Signal transduction refers to the process by which a cell converts a chemical signal from
outside the cell into an intracellular signal typically through a series of biochemical reactions
involving enzymes. This ultimately results in a specific cellular response occurring.
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Physiological changes that occur in ectotherms in response to seasonal temperature shifts are called ____
a. estivation b. hyperthermia c. thermal acclimatization d. hypothermia e. hibernation
Which of the following properties of RNA is most directly responsible for its ability to form complex shapes?
A) the presence of uracil instead of thymine B) the fact that RNA is primarily double-stranded C) the relative instability of RNA compared to DNA D) the fact that RNA is primarily single-stranded E) the substitution of deoxyribose in DNA with ribose in RNA
Researchers searching for treatment for sickle cell anemia and beta thalassemia are attempting to trigger production of which of the following globins?
1.G? only
2.A? only
3.both G? and A?
4.?-globin
5.?-globin
6.both ?-globin and ?-globin
The process by which an animal's embryonic cells specialize into specific cell types is called____________.
A. specialization B. differentiation C. cloning D. regeneration E. senescence