WorksheetsUIL Texas Questions
Total questions: 7
Worksheet time: 4mins
Examine all of the answer choices below. Which choice is the most inclusive (e.g. the grouping that would include all of the others)?
Class
Genus
Family
Species
Order
Examine the image of a transmembrane protein embedded within a biological membrane. What can you predict about the area indicated by the arrow?
The amino acids are mostly hydrophilic.
The amino acids are mostly hydrophobic.
The indicated area could easily move between the current embedded state and the extracellular or intracellular environment.
The indicated structure is a fatty acid.
The embedded portions of the protein would be covalently bonded to adjacent phospholipids.
A population in Hardy-Weinberg equilibrium contains a total of 6992 individuals. Out of the total, 724 exhibit the dominant phenotype. What is the frequency of the recessive allele in this population?
0.0532
0.1035
0.3218
0.8965
0.9468
For the reaction
3NO2 + H2O --> 2HNO3 + NO
What is the maximum amount of HNO3 which could be formed from 184 g of NO2 and 27 g of H2O?
126. g
211. g
94.5 g
25.3 g
168. g
Which of the following liquids has the highest vapor pressure?
H2O
C5H12
C2H5OH
C10H12
The heat of combustion (∆H°) for propane is 2220 kJ/mol. How many kJ of energy are released when 5.00 L of propane at 2.45 atm and 25°C is burned?
1110 kJ
2220 kJ
1875 kJ
555 kJ
3330 kJ
A hockey puck with a mass of 150.0 g slides horizontally across ice. The initial velocity of the puck is 13.0 m/s. If the puck comes to a stop after sliding 47.0 m, what is the coefficient of friction between the puck and the ice?
0.0570
0.0920
0.180
0.270
0.370
