Experiments and Graphs
Water and Macromolecules
DNA
Cells and Organelles
Photosynthesis and Cell Respiration
100
A student conducted an experiment to determine the effect of homework completion on test scores. What is the dependent variable of his experiment?
A. Homework Assignments Turned In
B. Gender of Participant
C. Test Scores
D. Type of Test
C. Test Scores
100
Water has oppositely charged ends so it is considered
A. Polar
B. Nonpolar
C. Metallic
D. A Halogen
A. Polar
100
Rosalind Franklin's x-ray diffraction image of DNA helped Watson and Crick to later determine
A. The ratios of the nitrogenous bases in DNA
B. The overall double-helix structure of DNA
C. The location of DNA inside an animal cell
D. The function of DNA in protein synthesis
B. The overall double-helix structure of DNA
100
These cells are both eukaryotic but have a few key differences in their structure and function. What does the plant cell contain that the animal cell does not?
A. Centrioles
B. Mitochondria
C. Chloroplasts
D. Nucleus
C. Chloroplasts
100
The process depicted here takes place in what plant cell organelle?
A. Mitochondria
B. Nucleus
C. Cell Membrane
D. Chloroplast
D. Chloroplast
200
According to this graph, what is the average high temperature in Richmond, VA in December?
49-50 (Degrees F)
200
Which macromolecule is correctly matched with its monomer?
A. Carbohydrate - Nucleotide
B. Lipid - Amino Acid
C. Protein - Fatty Acid
D. Protein - Amino Acid
D. Protein - Amino Acid
200
Which scientist discovered that the amount of adenine is always equal to thymine (A=T) and the amount of cytosine is always equal to guanine (C=G)?
(Erwin) Chargaff
200
What is the key difference between a prokaryotic and eukaryotic cell?
(Pro=No, Eu=Do) Prokaryotic cell has no nucleus/organelles, Eukaryotic cell has nucleus/organelles
200
Which of the following is required for cellular respiration?
A. Water
B. Oxygen
C. Carbon Dioxide
D. Carbon Monoxide
B. Oxygen
300
What is the independent variable of this experiment?
pH of Soil
300
Which macromolecule provides insulation for these polar bears?
Lipids
300
What is unique about an individual's DNA?
A. Its sequence of DNA bases
B. Its basic structure
C. Its function
D. Its location
A. Its sequence of DNA bases
300
One of the major functions of cells is to synthesize proteins. Which organelle is responsible for protein synthesis?
Ribosomes
300
A cell seen under the microscope is observed to contain mitochondria and a nucleus but lacks a cell wall. This is most likely what cell type?
Animal Cell
400
What is the mean potato yield for fertilizer A?
33.3
400
What is the optimum temperature for the human amylase enzyme?
40-45 Degrees Celsius
400
A nucleotide is made of what three parts?
Sugar, phosphate, and a base
400
What is the function of the plasma membrane?
To let things in/out, control what enters/exits the cell
400
What is missing from the following equation?
___________ + O2 ----> CO2 + H2O + ATP
C6H12O6 (Glucose)
500
A scientist wants to test the effect of temperature on bacterial growth. Identify the independent variable, dependent variable, and one constant in her experiment.
Independent Variable: Temperature
Dependent Variable: Bacterial Growth
Constant: Type of Bacteria, Growing Conditions (medium, container, location), Time, pH, etc...
500
What effect does the enzyme have on the activation energy of the reaction?
It lowers/decreases the activation energy of the reaction
500
What would the sequence of bases is complementary to the following DNA strand - GGATCTA
CCTAGAT
500
Which type of cell transport requires no energy?
Passive Transport (Diffusion/Facilitated Diffusion/Osmosis)
500
What is the only process which removes carbon dioxide from the atmosphere?
Photosynthesis