Organelles like the endoplasmic reticulum
most likely arose by a process most closely
related to
a. endosymbiosis.
b. endocytosis.
c. exocytosis.
d. cell fractionation.
e. binary fission
B
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The addition of a strong acid like HCl to an aqueous solution would result in
A. the release of H+ into the solution. B. an increase in pH. C. a decrease in pH. D. both the release of H+ and an increase in pH. E. both the release of H+ and a decrease in pH.
A supportive cell wall is found surrounding the plasma membrane of each of the following types of
cells EXCEPT ____.
a. plant cells b. fungal cells c. many types of protists d. animal cells e. bacterial cells
Which of the following statements is not true about natural selection?
a. Offspring of individuals that are better adapted will make up a larger proportion of the next generation. b. Natural selection directs evolution by preserving traits acquired during an individual's lifetime. c. Natural selection depends on the genetic variability in a population, which arises through mutations. d. Natural selection acts to preserve favorable traits and eliminate unfavorable traits. e. Natural selection leads to adaptive evolutionary change.
What is necessary in order for organisms to change over generations?
What will be an ideal response?