PNB 2250 Exam 1 Practice Questions and
Answers
What traits to animals share? - Ans:-Eukaryotic, heterotrophic, able to move
Cell to cell connections in plants - Ans:-Plasmodesmo, flow of nutrients between cells
Cell to cell connections animals - Ans:-Tight junctions, strong connection
Some mul...
PROOF THAT: limited possible solutions to problems faced by problems, evolution drives these animals
to the final solution
what animals must do? - Ans:✔✔-- Mechanism for excreting waste
- Mechanism for development and growth
- Energy input
why is immortality impossible? - Ans:✔✔-because the universe doesn't have infinite amount of energy
Biochemistry is - Ans:✔✔-universal, ATP is used everywhere, DNA/RNA shared
George Wald - Ans:✔✔-Prevelance of CHNOPS, 96% of body mass
The chemistry is beneficial to life
Does the presence of an element in the body mean its essential to the body? - Ans:✔✔-No, there has to
be a biological property for it to be essential to the animal
Water stays liquid - Ans:✔✔-until 100 degrees Celsius,
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