The weak, attractive force between water molecules is due to
A. hydrogen bonds.
B. peptide bonds.
C. glycosidic bonds.
D. covalent bonds.
E. ionic bonds.
Answer: A
You might also like to view...
The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the cell cycle where the red arrow is pointing?
A. CDK proteins are actively phosphorylating proteins that are involved in DNA replication.
B. CDK proteins are actively phosphorylating proteins that are responsible for assembling the mitotic spindle.
C. CDK proteins are actively phosphorylating and activating cyclins so that the cell will prepare to replicate its DNA.
D. CDK proteins are actively phosphorylating and activating cyclins so that the cell will properly assemble the spindle apparatus.
E. CDK proteins are actively phosphorylating regions of the DNA that need to be targeted for DNA repair.
How would a mutation allowing a heterocyte to synthesize more chlorophyll affect the process of nitrogen fixation?
A. There will be a decrease in the amount of ammonia converted to nitrogen gas. B. There will be a decrease in the amount of nitrogen gas converted to ammonia. C. There will be an increase in the amount of ammonia converted to nitrogen gas. D. There will be an increase in the amount of nitrogen gas converted to ammonia. E. There will be no effect because photosynthesis and nitrogen fixation are not directly related.
In Cameroon, seedcrackers have either small bills (adapted for feeding on soft sedge seeds) or large bills (adapted for
feeding on hard sedge seeds). During competition for scarce resources, these birds primarily feed on the seeds for which they are best adapted. This is an example of ____ selection.
a. stabilizing b. disruptive c. frequent d. directional e. mutational
The readout recorded in Pavlov's experiments on learning and feedforward regulation was:
A. how long the metronome ticked. B. amount of saliva collected. C. how quickly the dogs ate. D. amount of food the dogs ate.