Why is it important for cells to be able to communicate with one another? List the main steps involved
in cell signaling. What will be an ideal response?
It is important for cells to communicate in order to grow, develop, and function. Cell signaling
requires four mains steps shown in Figure 6.2.
You might also like to view...
During osmosis, water moves from a region of _________ to a region of _________
A. high solute concentration; low solute concentration B. high solvent concentration; low solvent concentration C. low solute concentration; high solute concentration D. "high solvent concentration; low solvent concentration" AND "low solute concentration; high solute concentration" are both correct answers.
If a plant produces microspores and megaspores, then by definition it is homosporous
____________________ Indicate whether the statement is true or false.
L-lysine is an essential amino acid and must be supplied in the diet. By comparison, the stereoisomer D-lysine is not biologically active. Why can your body only utilize one form?
A. Antibodies recognize the D form and destroy it before your body can use it for nutritional purposes. B. Since the L form and D form are chiral molecules, they will bind together and inhibit utilization of the D form. C. Enzymes can only recognize a single, specific stereoisomer. D. Since the L form and D form are enantiomers, they will bind together and inhibit utilization of the D form.
Flexion of the hip should be avoided because of the excess pressure caused in the abdominal area.
a. true b. false