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A group of students was studying the effects of drinking 8 oz. of milk at 9 p.m. on the amount of sleep they got. Which is the dependent variable?


A) The amount of milk
B) The time they woke up
C) The amount of sleep
D) The bedtime

E) None of the above
F) B) and C)

Correct Answer

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Which of the following characteristics applies to the bonds holding together nonpolar covalent molecules?


A) They occur when two atoms share a pair of electrons with each other
B) They occur when two atoms share a pair of metal ions with each other
C) They can be formed only between two identical atoms
D) They can be formed only between two different atoms

E) All of the above
F) B) and C)

Correct Answer

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In rabbits, short fur (Y) is dominant over long fur (y) and grey fur (P) is dominant over brown fur (p) . The offspring are crossed and the following Punnett square is generated. In rabbits, short fur (Y) is dominant over long fur (y) and grey fur (P) is dominant over brown fur (p) . The offspring are crossed and the following Punnett square is generated. Which of the following is the correct genotype marked with the green star? A) yp B) Yp C) yP D) YP Which of the following is the correct genotype marked with the green star?


A) yp
B) Yp
C) yP
D) YP

E) B) and C)
F) B) and D)

Correct Answer

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Physiologically, bone resorption and deposition are in equilibrium. Which of the following is the result of inhibition of bone resorption and prevention of calcium removal from the bone?


A) Hypocalcemia
B) Muscle atrophy
C) Kyphosis
D) Achondroplastic dwarfism

E) None of the above
F) All of the above

Correct Answer

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Which of the following is an example of empirical data?


A) Counting the number of eggs in the refrigerator
B) Drinking 2 liters of water
C) Remembering you have an appointment at 5 pm
D) Hearing that it is 52 degrees outside

E) A) and D)
F) B) and D)

Correct Answer

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Of the following organs, which has both endocrine and digestive functions?


A) Gallbladder
B) Colon
C) Duodenum
D) Pancreas

E) A) and B)
F) C) and D)

Correct Answer

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The site where two or more bones meet is called a __________________.


A) tendon
B) ligament
C) joint
D) cartilage

E) All of the above
F) A) and B)

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Which of the following statements is true about protons?


A) They have a negative charge.
B) They have more mass than a neutron.
C) Some atoms have no protons.
D) The number of protons in the nucleus is the defining property of an element.

E) All of the above
F) None of the above

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Which of the following correctly describes anatomical position?


A) Upright, arms at sides, palms facing anteriorly
B) Prone, arms at sides, palms facing anteriorly
C) Supine, arms at sides, palms facing posteriorly
D) Seated, arms at sides, palms facing posteriorly

E) C) and D)
F) B) and D)

Correct Answer

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The functional unit of the kidney is the nephron. A nephron is made up of renal tubules and renal corpuscles, both of which perform different functions. Which of the following parts of the nephron is not correctly paired with its function?


A) Glomerulus - Filtration of blood
B) Loop of Henle - Reabsorption of water
C) Collecting Ducts - Secretion of water
D) Proximal Convoluted Tubules - Reabsorption of ions and solutes

E) B) and C)
F) A) and D)

Correct Answer

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Which of the following is the correct sequence?


A) RNA ? DNA ? Protein
B) DNA ? RNA ? Protein
C) Protein ? DNA ? RNA
D) Protein ? RNA ? DNA

E) A) and C)
F) A) and D)

Correct Answer

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Which organelle is responsible for storing DNA?


A) Rough Endoplasmic Reticulum
B) Nucleus
C) Golgi Apparatus
D) Lysosomes

E) B) and C)
F) A) and D)

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Dandelions ? Snail ? Frog ? Bird ? Fox Using the food chain above, which of the following terms best describes the trophic level of frogs?


A) Tertiary consumer
B) Secondary consumer
C) Producer
D) Primary consumer

E) None of the above
F) A) and B)

Correct Answer

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When studying the effects of sunlight on a person's mood, scientists asked one group of patients to remain outside for one hour and a control group to remain inside all day. At the end of the experiment, 75% of the group that had received sunlight had a better mood. What can be concluded from these results?


A) People who stayed indoors had a worse mood.
B) There is not enough data to draw a sound conclusion.
C) Sunlight improved the subjects' moods.
D) Sunlight had no effect on the subjects' moods.

E) B) and C)
F) A) and D)

Correct Answer

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In a redox reaction, oxidation is the _______ of electrons and reduction is the  _______ of electrons.


A) gain, loss
B) loss, loss
C) loss, gain
D) gain, gain

E) B) and D)
F) A) and D)

Correct Answer

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An atom has 5 protons, 2 neutrons, and 5 electrons. Which of the following is the atom's mass number?


A) 10
B) 7
C) 5
D) 12

E) A) and C)
F) B) and C)

Correct Answer

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Which of the following organelles plays a vital role in the breaking down of macromolecules?


A) Ribosomes
B) Golgi Apparatus
C) Rough Endoplasmic Reticulum
D) Lysosomes

E) B) and D)
F) A) and B)

Correct Answer

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Based on the graph, what can you conclude about the rate of robbery, burglary and theft and unemployment rate? Based on the graph, what can you conclude about the rate of robbery, burglary and theft and unemployment rate? A) When people have jobs they tend to steal more to ensure extra income. B) When more people have jobs, there are fewer instances of robbery, burglary, and theft. C) Robbery, burglary and theft rates have no correlation between each other. D) When people don't have jobs they tend to engage in different social services in order to get better employment opportunities.


A) When people have jobs they tend to steal more to ensure extra income.
B) When more people have jobs, there are fewer instances of robbery, burglary, and theft.
C) Robbery, burglary and theft rates have no correlation between each other.
D) When people don't have jobs they tend to engage in different social services in order to get better employment opportunities.

E) A) and B)
F) A) and C)

Correct Answer

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Which of the following is described as an abnormal functioning of the immune system where immune cells attack molecular components of the body's own organs?


A) Vaccine
B) Autoimmune disease
C) Cell-mediated immunity
D) Phagocytosis

E) C) and D)
F) All of the above

Correct Answer

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Human zygotes contain:


A) 46 chromosomes
B) 12 chromosomes
C) 104 chromosomes
D) 54 chromosomes

E) A) and D)
F) A) and C)

Correct Answer

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