BIL 150 GAINES PRACTICE EXAM 1 FORM 1 || QUESTIONS & ANSWERS 100% SOLVED.
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Course
BIL 150
Institution
BIL 150
B. If a new species of bacteria is discovered, it will be made up of organic molecules. correct answers Which of the following is an example of deductive reasoning?
A. All objects on Earth will fall down when dropped, and none will "fall up."
B. If a new species of bacteria is discovered, it w...
BIL 150 GAINES PRACTICE EXAM 1 FORM 1 ||
QUESTIONS & ANSWERS 100% SOLVED.
B. If a new species of bacteria is discovered, it will be made up of organic molecules. correct
answers Which of the following is an example of deductive reasoning?
A. All objects on Earth will fall down when dropped, and none will "fall up."
B. If a new species of bacteria is discovered, it will be made up of organic molecules.
C. Living objects are composed of cells.
D. Atoms make up molecules, which make up cells, which make up tissues.
E. All swans are white
E. ribosomes correct answers In the fractionation of homogenized cells using differential
centrifugation, which of the following will require the greatest speed to form pellets at the
bottom of the tube?
A. peroxisomes
B. nuclei
C. mitochondria
D. chloroplasts
E. ribosomes
C. A and B correct answers Questions 3-6 refer to the figure below
Five dialysis bags, constructed from a semi-permeable membrane that is impermeable to
sucrose, were filled with various concentrations of sucrose and then placed in separate
beakers containing an initial concentration of 0.6 M sucrose solution. At 10-minute intervals,
the bags were weighed and the percent change in mass of each bag was graphed.
IMAGE
Which line or lines represent(s) bags that contain a solution that is hypertonic at the end of 30
minutes?
A. A
B. B
C. A and B
D. C
E. D and E
B. B correct answers Questions 3-6 refer to the figure below
Five dialysis bags, constructed from a semi-permeable membrane that is impermeable to
sucrose, were filled with various concentrations of sucrose and then placed in separate
beakers containing an initial concentration of 0.6 M sucrose solution. At 10-minute intervals,
the bags were weighed and the percent change in mass of each bag was graphed.
IMAGE
Which line or lines represent(s) bags that contain a solution that is hypertonic at the end of 60
minutes?
, A. A
B. B
C. A and B
D. C
E. D and E
E. A correct answers Questions 3-6 refer to the figure below
Five dialysis bags, constructed from a semi-permeable membrane that is impermeable to
sucrose, were filled with various concentrations of sucrose and then placed in separate
beakers containing an initial concentration of 0.6 M sucrose solution. At 10-minute intervals,
the bags were weighed and the percent change in mass of each bag was graphed.
IMAGE
Which line or lines represent(s) bags that initially contain the greatest amount of solute?
A. A
B. A and B
C. C
D. D
E. A
C. C correct answers Which line or lines represent(s) bags that initially had the same solute
concentration as in the beaker?
A. A and B
B. B and C
C. C
D. D and E
E. All the bags initially had the same concentration of solute as in the beaker.
E. a food molecule made up of energy-rich macromolecules correct answers Which of the
following is an example of potential rather than kinetic energy?
A. a boy mowing grass
B. a firefly using light flashes to attract a mate
C. an insect foraging for food
D. water rushing over Niagara Falls
E. a food molecule made up of energy-rich macromolecules
D. water correct answers If you were to expose cells that are undergoing cellular respiration
to a radioactive oxygen isotope in the form of O2, which of the following molecules would
you expect to be radiolabeled?
A. CO2
B. NADH
C. pyruvate
D. water
E. lactic acid
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