Answer the following statements true (T) or false (F)
1. Cells can sense changes in the environment through alterations in the extracellular matrix.
2. Wrinkling observed with aging is due to increased production of the extracellular matrix molecule, collagen.
3. Blood vessels that can expand and contract contain a lot of collagen as a structural extracellular matrix protein.
4. Glycosaminoglycans and proteoglycans resist compression and are found in large abundance in joints of the body.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
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No prokaryotic cells have
a. ribosomes. b. a nucleus. c. cytoplasm. d. a plasma membrane. e. cell walls
In animals, the extracellular matrix plays important roles in each of the following processes except
A) cell division. B) cell motility. C) DNA replication. D) cell differentiation. E) cell adhesion.
Which of these carries the most energy?
a. ADP b. ATP c. NADH d. NAD+
A magnesium deficiency would impact the light-independent reactions but not the light-dependent reaction of photosynthesis.
Answer the following statement true (T) or false (F)