The extracellular matrix in animals:
A. is located exclusively in connective tissue.
B. is formed by many types of cells, primarily
fibroblasts, on their cell surfaces.
C. is a meshwork of insoluble fibrous
proteins, primarily collagens, that assemble in
a double helix.
D. differs from one tissue to the next,
affecting the expression of genes in the cells
that it surrounds.
E. is attached to cells by integrin junctions.
D
You might also like to view...
How is mimicry helpful to organisms? Give an example
What will be an ideal response?
The major histocompatibility complex is
A. a set of genes that code for MHC glycoproteins. B. a set of glycoproteins, called MHC antigens, found on all body cells. C. located in the thymus gland. D. found on the third chromosome. E. All of the choices are correct.
Which of the following combinations could result in Rh incompatibility?
a. Rh-positive mother, Rh-negative father b. Rh-positive mother, Rh-positive father c. Rh-negative mother, Rh-positive father d. Rh-negative mother, Rh-negative father e. More than one of the above.
Which macromolecule has a sugar-phosphate backbone?
What will be an ideal response?