After mitosis, the chromosome number of a descendant cell is _____ the parent cell's
a. the same as
b. one half of
c. rearranged compared to
d. doubled compared to
A
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The phylogeny above shows:
A. orangutans and gorillas are more closely related than humans and gorillas. B. humans and gorillas are more closely related than orangutans and gorillas. C. the gorilla is the most recent common ancestor to bonobos, chimps and humans. D. he orangutan is the most recent common ancestor of all great apes. E. all great apes walk with an upright gait.
The evolutionary history of an organism is its
1.taxonomy 2.species 3.systematics 4.phylogeny 5.anatomy
Which of the following is NOT an example of kinetic energy?
A. heat B. light C. sound D. the energy in chemical bonds E. random molecular movement
Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through
A. ionic bonds. B. covalent bonds. C. peptide bonds. D. hydrogen bonds.