Which structure shows the 3 residue segment of DNA with the following sequence: (3' end) GAT (5' end) ?

A)
B)
C)
D)

How is the polarity of the molecule carbon monoxide best described?

A) A polar molecule made from a polar covalent bond
B) A non-polar molecule made from a polar covalent bond
C) A polar molecule made from a nonpolar covalent bond
D) None of the above.

When the polymer below is hydrolyzed under acidic conditions, what compounds are formed?

What best describes sugar when dissolved in water?

A) A compound
B) An alloy
C) A heterogeneous compound
D) A mixture

Which of the following are six-membered ring monosaccharides?

A) Glucose
B) Fructose
C) Galactose
D) Glucose and galactose

What is the condition called when two or more objects touch and reach the same temperature?

A) Static equilibrium
B) Thermal equilibrium
C) Dynamic equilibrium
D) Isotonic equilibrium

If the value of K for the expression As₂S_3(s) ⇌ 2As³⁺_(aq) + 3S^2- _(aq) is very small, where does the equilibrium lie?

A) To the reactants
B) To the products
C) Equally between the reactants and products
D) Entirely to one side or the other

The presence of which element is indicated by a peak at m/z 127 and a characteristic 127-unit gap in the mass spectrum?

A) Br
B) Cl
C) I
D) N
E) S

What does "A" stand for among the four natural nucleic acids?

A) Adenine
B) Cytosine
C) Thymine
D) Guanine