Chitin is a polymer composed of N-acetyl glucosamine monomers
__________________ Indicate whether the statement is true or false.
True
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Which of the following does (or did) not lay an amniotic (enclosed) egg?
a. birds b. monotreme mammals c. dinosaurs d. frogs e. snakes
Which of the following equations best summarizes photosynthesis?
A) 6 CO2 + 6 H2O + 6 O2 ? C6H12O6 B) 6 CO2 + 6 H2O ? C6H12O6 + 6 O2 C) 6 CO2 + 6 O2 ? C6H12O6 + 6 H2O D) C6H12O6 + 6 O2 ? 6 CO2 + 6 H2O
Why was the evolution of lignin-impregnated cell walls significant?
What will be an ideal response?
If meiosis did not precede fertilization, what would happen to the chromosome number after each generation?
A. It would be half of the parents’ chromosome number. B. It would be two times the parents’ chromosome number. C. It would be four times the parents’ chromosome number. D. It would be eight times the parents’ chromosome number. E. It would remain the same.