35 questions; 45 minutes
This test will randomly select 35 questions from a test bank of EOC-type questions.
An explanation of how and why a natural phenomenon behaves teh way it does
A description of an invariable relationship that exists in nature
A speculation or guess about how nature works
An unproven fact
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Population
Community
Ecosystem
Biome
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How does the chemistry of the soil affect the color of hydrangea blossoms?
What role do genetic factors play in hydrangea color?
Do varying degrees of light affect hydrangea color?
What type of soil will produce a hydrangea with both pink and blue blossoms?
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Test 5 different types of cows with the same feed mixture and measure their weight gain at the end of a 6-week trial.
Test 5 similar groups of cows with 5 different feed mixtures and measure their weight gain at the end of a 6-week trial.
Test 5 similar groups of cows with the same feed mixture, give each group varying amounts of feed, and measure their weight gain at the end of a 6-week trial.
Test 5 different types of cows with 5 different feed mixtures, give each group varying amounts of feed, and measure their weight gain at the end of a 6-week trial.
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Repeat the procedures described using 1 flask, and increase the temperature to 25oC for Days 10-15.
Repeat the procedures described using 1 flask, and vary the temperature randomly during the entire incubation time.
Repeat the procedures described using 2 flasks; incubate 1 flask at 15oC and the other at 25oC.
Repeat the procedures described using 2 flasks; incubate both flasks at 20oC.
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Tall individuals are always heavier than short individuals.
There is no relationship between height and weight.
There is a negative relationship between height and weight.
There us a positive relationship between height and weight.
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Exercise increases only the pulse.
Exercise increases only the systolic pressure.
Exercise increases both the systolic and diastolic pressure.
Exercise increases both the pulse and the systolic pressure.
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5
10
25
50
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Elephant
Kangaroo
Lion
Snake
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Nature is orderly.
Knowledge is superior to ignorance.
Nothing is self-evident.
All phenomena have natural causes.
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Assigning the subjects to groups at random
Assigning all of the subjects with sleeping problems to the placebo group
Telling subjects if they are receiving the medicine or the placebo
Ensuring that the researchers can determine which subjects are getting the medicine
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1 mL of enzyme suspension incubated at 25oC for 10 min
1 mL of enzyme suspension incubated at 37oC for 20 min
2 mL of enzyme suspension incubated at 25oC for 20 min
2 mL of enzyme suspension incubated at 37oC for 10 min
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Strain X grows faster than Strain Y regardless of the culture's age.
Strain Y grows faster that Strain X regardless of the culture's age.
The 30-day old culture grows faster regardless of the strain.
The new culture grows faster regardless of the strain.
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Placing another piece of bread in an open Petri dish in the same refrigerator
Placing another piece of bread in a closed Petri dish in the same refrigerator
Placing another piece of bread in an open Petri dish on the countertop
Placing another piece of bread in a closed Petri dish on the countertop
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Organic compounds contain carbon.
Organic compounds contain hydrogen.
Organic compounds provide energy for cells.
Organic compounds are the building blocks of cells.
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ATP
Glucose
Lactic acid
Oxygen
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Digestion of macromolecules and old organelles
Detoxification of poisonous molecules within the cell
Harvesting of energy from organic molecules to make ATP
Processing and packaging of cellular materials prior to export
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Electron transport chain
Fermentation
Glycolysis
Krebs cycle
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Urine (pH 6.0)
Rainwater (pH 5.5)
Tomato juice (pH 2.0)
Gastric juice (pH 2.0)
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-COOH
-NH2
-OH
-PO4
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Carbohydrates
Fatty acids
Nucleic acids
Proteins
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By reducing activation energy
By reducing energy produced by the reaction
By increasing activation energy
By increasing energy produced by the reaction
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Cell wall
Chloroplast
DNA
Ribosome
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Endoplasmic reticulum
Golgi apparatus
Nucleus
Ribosome
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The solution is hypertonic to the cell.
The solution is hypotonic to the cell.
The solution and the cell have equal concentrations of solutes.
The solution and the cell have equal concentrations of water.
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Into the cell through the channel protein
Into the cell through the phospholipid bilayer
Out of the cell through the channel protein
Out of the cell through the phospholipid bilayer
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NADPH and ATP
Pyruvate and ATP
Pyruvate and NADH
ATP , pyruvate, and NADH
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Lactic acid and ATP
Oxygen and lactic acid
Carbon dioxide and ATP
Oxygen and carbon dioxide
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2, 4, 3, 1
2, 3, 4, 1
3, 2, 1, 4
3, 1, 2, 4
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It increases by a factor of 2.
It increases by a factor of 100.
It decreases by a factor of 2.
It decreases by a factor of 100.
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Antacids break the covalent bonds within pepsin.
Pepsin dissolves antacids in the gastric juice.
The active site of pepsin changes shape.
The concentration of pepsin increases.
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Cytoplasm only
Mitochondrial matrix only
Mitochondrial matrix and inner mitochondrial membrane only
Cytoplasm, mitochondrial matrix, and outer mitochondrial membrane
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CO2 production requires light.
Cellular respiration is taking place.
Chlorella is actively photosynthesizing.
Glucose production in the dark requires less CO2.
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Purine bases
Pyrimidine bases
Type of sugar
Attached proteins
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Centromeres of replicated chromosomes line up along the cell’s equator.
Centromeres divide as sister chromatids move toward opposite poles of the cell.
Homologous chromosome pairs line up along the cell’s equator.
Homologous chromosomes move toward opposite poles of the cell.
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They produce fertile offspring.
They inhabit the same general area.
Their outward appearance is similar.
They consume the same type of diet.
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Lys in Person A is replaced with Glu in Person B.
Phe in Person A is replaced with Leu in Person B.
Persons A and B have identical amino acid sequences.
A stop codon is generated in Person B and not in Person A.
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Two short-haired cats produce a litter of 4 kittens including 1 long-haired and 3 shot-haired.
A color-blind man and a woman with normal vision produce a son with normal vision and a color-blind daughter.
A tall prurple-flowered pea plant and a short white-flowered pea plant are crossed, producing offspring including tall white-flowered pea plants.
A red-flowered snapdragon and a white-flowered snapdragon are crossed, producing offspring with pink flowers.
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Enzymes degrade unnecessary DNA.
Methylation of some regions of DNA prevents transcription.
Mutations change certain RNA sequences.
Removal of exons from RNA prevents translation into protein.
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Carrier
Heterozygous
Homozygous dominant
Homozygous recessive
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All 3 black offspring
Exactly 2 of the black offspring Exactly 2 of the black offspring Exactly 2 of the black offspring Exactly 2 of the black offspring
Both albino offspring
Both parents
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Co-dominant
Dominant
Recessive
Sex-linked
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Color-blind daughter
Color-blind son
Daughter with normal color vision
Son with normal color vision
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They ate heterotrophs.
They produced spores.
They made their own food.
They reproduced asexually.
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8/16
4/16
2/16
1/16
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AA or Aa
AA
Aa
Aa
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Giraffe necks varied in length, and all offspring had an equal chance of survival.
Giraffe necks varied in length, and the shorter-necked giraffes were at a disadvantage.
Giraffes with short necks migrated to locations best suited for their neck lengths.
Giraffes stretched their necks to reach for food, and resulting offspring had longer necks.
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Artificial
Directional
Disruptive
Stabilizing
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