Five unknown compounds are added to water. Four of the compounds go into solution while one does not. What property does water possess that allows these four compounds to dissolve? Why might the fifth compound not dissolve?
A. The positive charge of water dissolves many substances; the substance is too structurally similar to water.
B. The negative charge of water dissolves many substances; the substance is too structurally similar to water.
C. The nonpolar quality of water dissolves many substances; the substance is not structurally similar to water.
D. The positive and negative charge in water will dissolve many substances; the substance is not structurally similar to water.
Answer: D
You might also like to view...
What is the term for a gene mutation that leads to a myriad of disparate effects?
A) lethal allele B) multiple allele C) complementation D) expressivity E) pleiotropy
The owners of a local bakery ask for your help in improving a special yeast strain they use to make bread
They would like you to help them design experiments using RNA interference to turn off genes, to allow them to test their hypothesis that certain genes are important for the good flavors found in their bread. Of the components in the following list, which is the most important to check for in this yeast strain if you'd like this project to succeed? (a) the presence of foreign double-stranded RNA (b) the presence of genes in the genome that code for RISC proteins (c) the presence of miRNA genes in the genome (d) the presence of single-stranded siRNAs within the cell
Compared to asexual reproduction, the main advantage of sexual reproduction is that it
A. requires less energy B. increases the genetic diversity of the offspring C. can produce more complex offspring D. can produce a greater number of offspring
The MAC system is a group of proteins that supplements the inflammatory response. Indicate whether the statement is true or false