Biology
General Chemistry
Organic Chemistry
Quantitative Reasoning
Reading Comprehension
100
During which phase of mitosis do chromosomes line up at the cell equator?
Metaphase
100
How many protons does a Lithium atom contain?
3 protons
100
What element is present in all organic compounds?
Carbon
100
What is 20% of 200?
40
100
A passage explains that an enzyme functions best at neutral pH. Which situation would most likely reduce its activity?
A. pH 7
B. pH 6.8
C. pH 2
D. pH 7.2
C. pH 2
200
What organelle produces most ATP in a eukaryotic cell?
Mitochondrion
200
Across a period from left to right, atomic radius generally does what?
Decreases
200
What is the name of the functional group –COOH?
Carboxylic acid
200
Solve: 3x+5=20.
x = 5
200
“Despite several unsuccessful experiments, the scientists continued modifying their method.” What can reasonably be inferred?
A. They immediately abandoned the study
B. They believed improvement was still possible
C. Their first experiment was successful
D. They disliked conducting research
B. They believed improvement was still possible
300
Which enzyme unwinds the DNA double helix during replication?
Helicase
300
Balance the equation:
_Al+__O2→__Al2O3
4Al+3O2→2Al2O3
300
What type of hydrocarbon contains at least one C=C double bond?
Alkene
300
A bag contains 4 red, 3 blue, and 3 green marbles. What is the probability of randomly selecting a blue marble?
3/10
300
“The researcher acknowledged that the treatment showed promise; however, she emphasized that additional testing was necessary.” What best describes the researcher’s attitude?
A. Confident
B. Cautiously optimistic
C. Uninterested
D. Strongly opposed
Cautiously optimistic
400
Where does most gas exchange between the air and blood occur in the human respiratory system?
Alveoli
400
What is the molecular geometry of NH3?
Trigonal pyramidal
400
Which type of reaction removes atoms from adjacent carbons to form a double bond?
Elimination
400
If 2x=32, what is x?
5
400
Researchers found that plants exposed to more sunlight grew faster than plants kept in shade. Which conclusion is best supported?
A. Sunlight may promote plant growth
B. All plants require constant sunlight
C. Shade kills plants
D. Sunlight is the only factor affecting growth
A. Sunlight may promote plant growth
500
Which immunoglobulin is most abundant in blood and can cross the placenta?
IgG
500
If a reaction has a negative ΔH and a positive ΔS, under what conditions is the reaction spontaneous?
At all temperatures.
500
What is the relationship between two molecules that have the same molecular formula but different connectivity?
Constitutional isomers
500
A number is increased by 50% and then decreased by 50%. Is the final number greater than, less than, or equal to the original?
Less than the original
500
"Among the many variables examined, age emerged as the most salient predictor of recovery".
In this context, “salient” most nearly means:
A. Unexpected
B. Measurable
C. Important
D. Controversial
C. Important