Collagen _____
A. functions inside a cell.
B. is part of a cell wall.
C. must be secreted from a cell.
D. forms junctions between cells.
E. acts as an enzyme.
C. must be secreted from a cell.
You might also like to view...
In warm and temperate waters, common phytoplankton are the
a. diatoms. b. radiolarians. c. coccolithophores. d. dinoflagellates. e. salps.
The ____ spend most of their lives as individual haploid organisms
a. cellular slime molds b. plasmodial slime molds c. amoebas d. multi-celled protists e. single-celled protists
Blood slows down in arterioles due to the large cross-sectional area.
a. true b. false
Some students consume large amounts of coffee and so-called energy drinks to help them stay alert when studying. You notice that many who engage in this practice seem to do poorly on exams. Suppose you want to investigate the relationship between caffeine consumption and exam performance. Which of the following statements would be an appropriate hypothesis?
(a). Students who consume large amounts of caffeine while studying will have lower exam scores than those who consume less caffeine. (b). One should avoid consuming too much caffeine while studying. (c). Too much caffeine is harmful to your health. (d). Many students consume large amounts of caffeine while studying. (e). Caffeine increases alertness but also increases anxiety.