Biology
General Chemistry
Organic Chemistry
Physics
Quantitative Reasoning
100
Which of the following could be an end product of transcription?
A.rRNA B.DNA C.Protein D.snRNP e. Amino acids
A. rRNA
100
Name the conformation:
Eclipsed
100
You threw a ball straight up and it falls back to the ground. What is it's acceleration at the top of it's path? (Ignore air resistance)
-9.81 m/s2
100
If Sara can read 15 pages in 10 minutes, how long will it take her to read 45 pages?
30 minutes
200
In DNA replication, what enzyme is required for separating the DNA molecules into two strands?
Helicase
200
A material has a half life of 2 years. If you started with 1 kg, how much would you bee left after 8 years?
0.06 kg
200
Carboxylic acids and alcohols undergo a condensation reaction to form...
Esters and water
200
Which statement correctly describes the work-energy theorem?
a. Change in kinetic energy of object = work done by object
b. Change in kinetic energy of object = work done on object
c. Change in potential energy of object = work done by object
d. Change in potential energy of object = work done on object
B
200
Rahma's test scores were 75, 65, 80, 95 and 65. What was her average?
76
300
Which hormone is not secreted by a gland in the brain?
A.HCG B.GnRH C.LH D.FSH E.Oxytocin
A. HCG
300
Which of the following increases melting point of solid? (Select all that apply)
1. Increasing SA 2. Increasing molecular weight 3. Decreasing polarity
1 and 2
300
H3O+
300
A negatively charged plastic rod is brought near an uncharged ball which is made from an insulating material. What is the effect of the rod on the ball?
The ball is attracted to the rod.
300
If Kate bought 2 packs of batteries for x amount of dollars, how many batteries can she purchase for $5?
10/ x
400
Which of the following is a K-selected species?
A.Grass B.Mosquitoes C.Gorillas D.Mice E.Beetles
C. Gorillas
400
Rate the following in terms of acidity: H3PO4, HF, HCl, H2O, NH3
HCl> H3PO4 > HF> H2O> NH3
400
A sugar molecule whose acylic ring form is a 5-membered oxygen containing heterocyclic ring is called...
Furanose
400
A person riding at a steady pace on an exercise bicycle generates 40 Watts of power. How long does it take the person to burn off 24,000 Joules of energy.
10 minutes.
Power= E/ time
400
Restaurant customers tip their server only 8% for poor service. If they tip them $3.70, how much was the bill?
$46.25
500
Moths in a forest can have a range of colors from pure white to pure black and any shade in between. Most moths in the forest are an intermediate shade of gray, but one year after a logging company begins to destroy the forest, most moths are either very light or very dark. Which form of natural selection took place?
Disruptive Selection
500
Rank from most to least polar: F2, CH3CH2HCl, NaCl, CH3OH
NaCl > CH3OH > CH3CH2HCl > F2
500
What does this indicate?
A carbonyl group (C=O)
500
There is a pulley with a mass of 30 kg on one side and 20 kg on the other side. What is the acceleration of the masses?
2 m/s^2
- W = mg for both masses
- Calculate net force Mgreater - Msmaller
- F = ma (solve for acceleration)
500
What is 0.09356-0.003784?
0.089776