27.0
Question 1 of 31
3.0 Points
What is the attraction between water molecules and other molecules, allowing water to
“climb up a straw,” for example?
A. cohesion
B. surface tension
C. solvent
D. adhesion
E. covalent bond
Feedback:Great job.
Question 2 of 31
3.0 Points
What are the monomers that make up proteins?
,
A. steroids
B. amino acids
C. oils
D. DNA
Feedback:Great job.
Question 3 of 31
3.0 Points
What is the capacity of a substance to withstand rupture when placed under tension or stress?
A. surfact tension
B. adhesion
,
C. cohesion
D. covalent bond
E. solvent
Feedback:Water molecules are attracted to each other because of hydrogen bonding by
cohesion – and this gives rise to surface tension. Review water in Chapter 2.
Question 4 of 31
3.0 Points
Which particles reside in the nucleus of an atom?
A. neutron and electron
B. electron, proton and neutron
C. electron and proton