What are caveolae?
What will be an ideal response?
Folds on the surface of smooth muscle cells that correspond to T tubules in skeletal muscle cells.
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Which of the following describes the blind spot?
A. There are cone cells but no rod cells. B. It is where the iris casts a shadow on part of the retina. C. It is where the optic nerve leaves the eye. D. It is where bipolar cells block light from reaching the rods and cones. E. There are rod cells but no cone cells.
The core temperature is monitored by central thermoreceptors, which are located in the hypothalamus itself, and in the abdominal organs and elsewhere
a. True b. False Indicate whether the statement is true or false
During protein synthesis (translation):
1.mRNA is translated in the Smooth Endoplasmic Reticulum. 2.ATP is hydrolyzed to provide energy for forming peptide bonds. 3.mRNA is converted into tRNA, which is then transformed into protein. 4.mRNA, tRNA and amino acids are brought together at the ribosomes. 5.None of these is correct.
MgCl2 fully dissociates into Mg2+ and Cl- ions when mixed with water. Therefore, the bonds between Mg2+ and Cl- in MgCl2 can be described as
A. nonpolar covalent. B. ionic. C. hydrogen bonds. D. polar covalent.