#Question id: 54
#Introduction to Biochemistry
About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?
#Question id: 56
#Introduction to Biochemistry
Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?
#Question id: 57
#Introduction to Biochemistry
A(n) ________ has charge but negligible mass, whereas a(n) ________ has mass but no charge.
#Question id: 58
#Introduction to Biochemistry
A covalent chemical bond is one in which ________.
#Question id: 61
#Introduction to Biochemistry
Which of the following correctly describes chemical equilibrium?
#Question id: 66
#Introduction to Biochemistry
Which of the following statements regarding isomerism is incorrect regarding biomolecules?