Organisms that obtain their energy from light can be termed:
a. autotrophic
b. holotrophic
c. chemotrophic
d. heterotrophic
e. heliotrophic
What is a. autotrophic
100
A 49-gram sample of sulfuric acid [H2SO4] (98 g/mol) contains:
a. 1 mol of S atoms
b. 16.0 grams of O
c. 2.0 grams of H
d. 2 moles of O atoms
e. 1 mole of molecules
What is d. 2 moles of O atoms
100
A characteristic feature of the SN2 reaction mechanism is that:
A. it follows first-order kinetics.
B. it produces stereochemical inversion of configuration.
C. there is no rate-determining step.
D. steric factors have little influence on
the reaction rate constant.
E. collision of three or more particles is required
What is B. it produces stereochemical inversion of configuration
100
Evaluate the expression (5 x 10^-3) x (3 x 10^7)
A. 1.5 x 10^-10
B. 1.5 x 10^-4
C. 1.5 x 10^4
D. 1.5 x 10^5
E. 1.5 x 10^10
What is D. 1.5 x 10^5
100
Which club on campus is the BEST?
What is Pre-Dental Club
200
Fermentation:
a. produces pyruvic acid as an end product
b. yields less energy per mole of glucose than aerobic respiration
c. occurs only in the presence of oxygen
d. prevents glycolysis from occuring
e. converts ethanol to glucose
What is b. yields less energy per mole of glucose than aerobic respiration
200
A substance is non-conducting as a solid
and melts at 750°C. The melt conducts
electricity. The solid is observed to be
soluble in water. This substance would be
best classified as:
A. molecular.
B. ionic.
C. macromolecular.
D. metallic.
E. polymeric.
What is B. ionic
200
The reduction of a ketone yields:
A. an aldehyde first, then a primary
alcohol.
B. a primary alcohol.
C. a secondary alcohol.
D. a tertiary alcohol.
E. a carboxylic acid
What is c. a secondary alcohol
200
At a certain convention the ratio of men
to women was 3 to 8. If there were 352
people there, how many were men?
A. 32
B. 96
C. 132
D. 220
E. 256
What is B. 96
200
When was the last pre-dental club meeting?
What is Thursday, September 4th at 7 pm!
300
What cellular organelles would you expect to be absent from fungi?
a. mitochondria
b. lysosomes
c. ribosomes
d. golgi bodies
e. chloroplasts
What is e. chloroplasts
300
How many grams of NaOH (40 g?mol
-1)
are there in 250 mL of 0.4 M NaOH
solution?
A. 0.1
B. 0.4
C. 4
D. 10
E. 40
What is C. 4
300
The two Bronsted-Lowry bases in the equilibrium below are:
HOAc + NaCN <---> HCN + NaOAc
A. HoAc + NACN
B. HOAc + NaOAc
C. NaCN + NaOAc
D. NaCN + HCN
E. HOAc + HCN
What is C. NaCN + NaOAC
300
Which is the equation of the line that
contains the point (3, -1) and is
perpendicular to the line y = 3x + 3?
A. y = 3x - 8
B. y = 3x - 10
C. y = (-1/3)x + 2
D. y = (-1/3)x - 2
E. y = (-1/3)x
What is E. y = (-1/3)x
300
Name 3 members of the current exec.
What is Eman Khan, Eric Parsons, Paige Briscoe, Jenny Harreld, Sam (Blake) Campbell, Kanyon Cunningham, Uzma Hajiyani, Jacy Glover
400
For a given diameter of an axon, one factor which increases the velocity of a nerve impulse is:
a. the length of the axon
b. the ploidy of the nucleus
c. the density of mitochondria along the axon
d. maximal stimulation of the neuron
e. the presence of a myelin sheath
What is e. the presence of a myelin sheath
400
Which process is accompanied by a
decrease in entropy?
A. Sublimation of carbon dioxide
B. Evaporation of water
C. Freezing of water
D. Shuffling a deck of cards
E. Heating a balloon filled with a gas
What is C. Freezing of water
400
What is the final product (B) of the
sequence below?
benzoic acid -->1)LiALH4 2)H20,H+ --> A -->HBr --> B
What is benzene w/ -ch2-Br on it
400
If 3 liters of 40% orange juice and 1 liter of
50% orange juice are mixed, which is the
percentage of orange juice in the mixture?
A. 90
B. 85
C. 47.5
D. 45
E. 42.5
What is E. 42.5
400
What is an out of town event we have been planning for a while?
What is The national ADA conference.
500
Each of the following is synthesized in the anterior lobe of the pituitary gland of vertebrates EXCEPT one. Which one is the EXCEPTION?
a. Thyrotropic hormone
b. Adrenocorticotropic hormone
c. Follicle-stimulating hormone
d. Growth hormone
e. Oxytocin
What is e. oxytocin
*hint (FLATPEG)
500
If a solution which is 0.50 M in compound
X decomposes for 5.0 minutes at an
average rate of 0.040 M?min-1, the new
concentration of X will be
A. 0.04 M.
B. 0.05 M.
C. 0.20 M.
D. 0.30 M.
E. 0.50 M
What is D. 0.30 M.
500
What is the product of the reaction shown below?
Bromobenzene -- HNO3/H2SO4 --> ??
What is para-bromo,nitrobenzene
500
A person travels to work at an average
speed of 40 mph, and returns home at 60
mph. What, in mph, is the average speed
for the entire trip?
A. 45
B. 46
C. 48
D. 52
E. 54