BIOS 1300 Final Exam (Nielsen) OHIO University UPDATED Exam Questions and CORRECT Answers
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Course
BIOS 1300
Institution
BIOS 1300
BIOS 1300 Final Exam (Nielsen) OHIO
University UPDATED Exam Questions and
CORRECT Answers
Homeostasis - Correct Answer- A tendency to maintain a balanced or constant internal state;
the regulation of any aspect of body chemistry, such as blood glucose, around a particular
level
frontal pl...
BIOS 1300 Final Exam (Nielsen) OHIO
University UPDATED Exam Questions and
CORRECT Answers
Homeostasis - Correct Answer- A tendency to maintain a balanced or constant internal state;
the regulation of any aspect of body chemistry, such as blood glucose, around a particular
level
frontal plane - Correct Answer- divides the body into anterior and posterior portions
sagittal plane - Correct Answer- divides body into left and right
transverse plane - Correct Answer- divides the body into superior and inferior parts
medial/lateral - Correct Answer- toward the midline/away from the midline
superior/inferior - Correct Answer- above/below
negative feedback - Correct Answer- A primary mechanism of homeostasis, whereby a
change in a physiological variable that is being monitored triggers a response that counteracts
the initial fluctuation.
positive feedback mechanism - Correct Answer- Feedback that tends to cause the level of a
variable to change in the same direction as an initial change
How does a cell get energy from ATP? - Correct Answer- ATP captures chemical energy
obtained from the breakdown of food molecules and releases it to fuel other cellular
processes. adenosine triphosphate (ATP)Adenosine triphosphate, or ATP, is the primary
carrier of energy in cells
Plasma membrane bilayer - Correct Answer- a microscopic membrane of lipids and proteins
which forms the external boundary of the cytoplasm of a cell or encloses a vacuole, and
regulates the passage of molecules in and out of the cytoplasm.
, passive transport - Correct Answer- the movement of substances across a cell membrane
without the use of energy by the cell
active transport - Correct Answer- Energy-requiring process that moves material across a cell
membrane against a concentration difference
which direction does osmosis occur? - Correct Answer- high to low
which direction will simple diffusion occur - Correct Answer- high to low
Hypotonic - Correct Answer- Having a lower concentration of solute than another solution
Hypertonic - Correct Answer- when comparing two solutions, the solution with the greater
concentration of solutes
Isotonic - Correct Answer- when the concentration of two solutions is the same
relationship between pH increases/ decreases - Correct Answer- increases= less hydrogen
decreases= more hydrogen
H in blood - Correct Answer- the more there is the lower or more acidic blood pH
Mitosis - Correct Answer- part of eukaryotic cell division during which the cell nucleus
divides
Prophase - Correct Answer- Chromosomes become visable, nuclear envelop dissolves,
spindle forms
Metaphase - Correct Answer- Chromosomes line up in the middle of the cell
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