Long time back in history the Babylonians believed that earth was flat. Later based on scientific observations and evidence, it was found that earth was round in shape. What does that tell you about scientific knowledge?
A. Scientific knowledge is uncertain
B. Scientific knowledge is mutable
C. Scientific knowledge is durable
D. none of the above
Ans: B. Scientific knowledge is mutable
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Mammals lose unwanted solutes through
a. urinary excretion only. b. respiration only. c. muscle contraction only. d. respiration and urinary excretion. e. lymph filtering only.
How do daughter cells compare to parent cells at the end of mitosis and cytokinesis?
A) They have half the number of chromosomes B) They have exact copies of the same chromosomes C) They have double the number of chromosomes
Which molecule contains the least stored chemical energy?
a. ethyl alcohol b. pyruvate c. glucose d. lactate e. oxygen
________ involves the fusion of a somatic cell with an enucleated egg cell
Fill in the blank(s) with correct word