Question 1: The standard error tells
A. how often the examiner made an error.
B. how often the experimental variable was tested.
C. the relationship between the control and test groups.
D. whether or not the research has been published in a scientific journal.
E. how uncertain a particular value is.
Question 2: A complex individual that consists of organ systems is known as a/an
A. community.
B. population.
C. organism.
D. tissue.
E. species.
Question 3: The development of resistance of MRSA bacteria to antibiotics is an example of
A. homeostasis.
B. metabolism.
C. evolution.
D. reproduction.
E. organization.
Question 4: The face of a sunflower turns to follow the sun as it moves across the sky. This is an example of
A. metabolism.
B. homeostasis.
C. response to stimuli.
D. development.
E. reproduction.
Question 5: Which of the following URLs would you perhaps distrust in writing a scientific paper?
A. .com
B. .gov
C. .edu
D. .org
E. Both .edu and .gov
Question 6: Traditions, beliefs, and values are considered what aspect of human life?
A. communicative
B. cultural
C. instructional
D. biological
E. chemical
Question 7: All of the changes that occur from the time an egg is fertilized through childhood, adolescence, and adulthood are called
A. metabolism.
B. evolution.
C. homeostasis.
D. reproduction.
E. development.
Question 8: The cell you are examining under the microscope appears to contain a nucleus. This organism belongs to the domain
A. Bacteria.
B. Archaea.
C. Eukarya.
D. Animalia.
E. Fungi.
Question 9: After studying biology, it is hoped that you
A. will become an animal rights activist.
B. will be better able to make wise decisions regarding your own well being and the Earth's.
C. will get a high paying job as a biologist.
D. will understand all there is to know about humans and biology.
E. will dislike anything to do with biology.
Question 10: The information collected during the experiment or observation is called
A. a theory.
B. a hunch.
C. the hypothesis.
D. the data.
E. the conclusion.
Question 11: A controlled study when neither the patient nor the examiner is aware of whether the patient is receiving a treatment, is called a/an
A. statistical study.
B. double-blind study.
C. variable study.
D. adaptive study.
E. blind study.
Question 12: Which of the following is not a function of proteins?
A. quick energy
B. support
C. transport
D. enzymes
E. motion
Question 13: ATP carries energy in the form of high-energy
A. carbohydrate bonds.
B. peptide bonds.
C. lipid bonds.
D. phosphate bonds.
E. hydrogen bonds
Question 14: Hydrogen bonds
A. result from the loss of neutrons by an atom.
B. result in the formation of salts.
C. involve the loss and gain of electrons.
D. involve the sharing of electrons.
E. are relatively weak and can be broken rather easily.
Question 15: In an acidic solution
A. the number of H+ is less than the number of OH- .
B. the number of H+ is greater than the number of OH- .
C. the number of H+ is equal to the number of OH- .
D. the number of H+ is 3 times less than the number of OH- .
E. the number of H+ is 10 times less than the number of OH- .
Question 16: What makes each amino acid unique?
A. the central carbon
B. the R group
C. the amino group
D. the carboxyl group
E. the carbon ring
Question 17: When an ATP molecule is used to supply energy, which of the following occurs?
A. a phosphate bond is added
B. a phosphate bond is broken
C. oxygen is removed
D. oxygen is added
E. an adenine is added
Question 18: What is the symbol for sodium?
A. Na
B. S
C. So
D. N
E. Dm
Question 19: The sex hormones belong to which category of lipids?
A. steroids
B. fats
C. oils
D. triglycerides
E. phospholipids
Question 20: The monomer unit of a protein is
A. fatty acids.
B. amino acids.
C. monosaccharides.
D. polysaccharides.
E. nucleic acids.
Question 21: What passes through the digestive tract as fiber or roughage?
A. Maltose
B. Glucose
C. Glycogen
D. Starch
E. Cellulose
Question 22: Which of the following is not one of the four classes of organic molecules found in cells?
A. vitamins
B. lipids
C. proteins
D. carbohydrates
E. nucleic acids
Question 23: Consider the following experiment: A 200 MWCO membrane is in place, 10 mM glucose is placed in the left beaker and 9mM albumin is placed in the right beaker. Which of the following is true?
A. The net movement of water is toward the glucose.
B. Albumin and glucose diffuse through the membrane.
C. The net movement of water is away from the albumin.
D. The net movement of water is toward the albumin.
Question 24: Which of the following solutes would move the slowest?
A. glucose
B. albumin
C. urea
D. sodium ion (Na+)
Question 25: Consider the following experiment: A 100 MWCO membrane is in place, 10 mM glucose is placed in the left beaker and 10 mM albumin is placed in the right beaker. Which of the following is true?
A. The net movement of water is toward the albumin.
B. Albumin and glucose diffuse through the membrane.
C. The net movement of water is toward the glucose.
D. There is no net movement of water or solutes across the membrane.
Question 26: Which one is NOT an example of a passive transport mechanism?
A. Active transport
B. Facilitated diffusion
C. Osmosis
D. Simple diffusion
Question 27: In the simulation, albumin was able to diffuse through which membrane(s)?
A. 200 MWCO only
B. 100 MWCO and 200 MWCO
C. 50 MWCO, 100 MWCO, and 200 MWCO
D. 20 MWCO, 50 MWCO, 100 MWCO, and 200 MWCO
E. Albumin was unable to diffuse through any of the membranes.
Question 28: Which of the following statements about osmosis is FALSE?
A. Water moves toward the solution with the lowest concentration of solutes.
B. It is passive.
C. It is a type of diffusion.
D. It is specific for the movement of water.
Question 29: In the simulation, sodium chloride was able to diffuse through which membrane(s)? (The molecular weight of sodium is 23, chlorine is 35)
A. 20 MWCO, 50 MWCO, 100 MWCO, and 200 MWCO
B. 50 MWCO, 100 MWCO, and 200 MWCO
C. 100 MWCO and 200 MWCO
D. 200 MWCO only
E. Sodium chloride would not pass through any of these membranes.
Question 30: Briefly describe what occurs when a red blood cell is placed in water (a hypotonic solution).
Question 31: Briefly explain how active cellular transport is different from passive cellular transport.