Which statements are true of receptor mediated endocytosis?choose one or more
A.) it allows the internalization of extracellular substances in clathrin coated vesicles
B.) the process can be hijacked by viruses to gain entry into cells
C.) interalized endocytic vesicles fuse with lysosomes, which can return empty receptors to the plasma membrane
D.) it allows cholesterol carrying low density lipoproteins (LDLs) to be taken up by cells
E.) it allows hemoglobin to be taken up by immature red blood cells
Answer:
A.) it allows the interalization of extracellular substances in clathrin coated vesicles
B.) the process can be hijacked by viruses to gain entry into cells
D.) it allows cholesterol carrying low density lipoproteins (LDLs) to be taken up by cells
You might also like to view...
Aquaporins are
a. channel proteins for water. b. carrier proteins for solutes. c. channel proteins for solutes. d. carrier proteins for water. e. carrier proteins for water and solutes.
When the atoms involved in a covalent bond have the same electronegativity, what type of bond results?
A) an ionic bond B) a hydrogen bond C) a nonpolar covalent bond D) a polar covalent bond
The X-ray diffraction pattern for DNA suggested to Wilkins and Franklin all of the following features about DNA EXCEPT
A) a DNA molecule has a uniform diameter of 2 nanometers. B) the phosphate-sugar "backbone" of the molecule is on the outside of the DNA helix. C) the DNA molecule consists of repeating subunits. D) a DNA molecule is helical. E) in a DNA molecule, A pairs with T and G pairs with C.
Organisms come into sexual maturity at different times of the year. This is an example of:
A) temporal isolation. B) hybrid infertility. C) hybrid inviability. D) hybrid vigor.