In water, MgCl2 dissociates into Mg2+ and Cl-. Based on this information what type of bond is involved in the formation of MgCl2?
A. polar covalent
B. hydrogen
C. nonpolar covalent
D. electrostatic
E. ionic
Answer: E
You might also like to view...
A researcher uses a probe complementary to the gene of interest and performs a colony hybridization experiment on a plate containing many bacterial colonies. Each bacterial colony contains a recombinant vector with a different piece of chromosomal DNA. What can be learned from this experiment?
A. The researcher can determine the level of expression for each gene represented. B. The researcher can identify colonies that contain the gene of interest. C. The researcher can identify colonies that have not taken up a vector. D. The researcher can determine the amount of mRNA in a specific colony. E. The researcher can determine the amount of DNA in each of the colonies.
Which of the germ layers gives rise to most of the internal organ systems?
a. mesoderm b. ectoderm c. endoderm d. both the mesoderm and ectoderm
Separate populations are called:
a. schools. b. aggregates. c. stocks. d. clusters. e. races.
Which of the following is not a known function of the cytoskeleton?
a. to maintain a critical limit on cell size b. to provide mechanical support to the cell c. to maintain the characteristic shape of the cell d. to hold mitochondria and other organelles in place within the cytosol e. to assist in cell motility by interacting with specialized motor proteins