CELL_AND_MOLECULAR_BIOLOGY_COMPREHENSIVE_TEST_PAPER_QUESTIONS_AND.pdf

CELL AND MOLECULAR BIOLOGY
COMPREHENSIVE TEST PAPER QUESTIONS
AND SOLUTIONS

●● Scientific principle
Answer: A statement based on repeated experimental observations
describing an aspect of the world


●● Scientific law
Answer: A broad concept describing how something happens in nature
(often supported by math)


●● Scientific theory
Answer: A deeply supported explanation of why a phenomenon happens;
does not become a law


●● Independent variable
Answer: The variable that is deliberately changed or manipulated


●● Independent variable axis
Answer: X-axis

,●● Dependent variable
Answer: The variable that is measured or observed


●● Dependent variable axis
Answer: Y-axis


●● Hypothesis
Answer: A testable prediction (If...then...)


●● Constants/control variables
Answer: Conditions kept the same across all groups


●● Control group
Answer: The normal group used for comparison


●● Qualitative data
Answer: Descriptive data (color, texture, etc.)


●● Quantitative data
Answer: Numerical data (mass, time, distance)


●● Does data prove hypotheses?

, Answer: No, only supports or rejects


●● Microscope purpose
Answer: To magnify small objects


●● Eyepiece (ocular lens)
Answer: Lens you look through (usually 10x)


●● Total magnification
Answer: Eyepiece × objective lens


●● Coarse adjustment use
Answer: Only on low/medium power


●● Diaphragm
Answer: Controls light passing through specimen


●● CER
Answer: Claim, Evidence, Reasoning


●● Metabolism
Answer: All chemical processes in an organism