The failure of chromosomes to separate during meiosis is called
A) crossing over
B) genetic displacement
C) non-disjunction
D) disjunction
Ans: C) non-disjunction
Biology & Microbiology
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The exoskeleton of arthropods is composed of chitin
____________________ Indicate whether the statement is true or false.
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RuBP is both the starting point and end point of the ______.
a) Calvin cycle b) energy cycle c) citric acid cycle d) ATP cycle
Biology & Microbiology
Dissimilative sulfur and sulfate reduction generally results in the production of what gas?
a. hydrogen sulfide (H2S) b. ferrous sulfide (FeS) c. sulfite (SO32–) d. thiosulfate (S2O32–)
Biology & Microbiology