Which of the following is an example for Batesian mimicry?
a. paper wasps and yellow jackets that both have black and yellow stripes
b. defenseless spiders that look like ants
c. crab spiders that mimic the color of flowers on which they live
d. Heliconius butterfly species that share warning patterns and that are both unpalatable
B
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In aerobic respiration, chemiosmotic generation of ATP is driven by:
A. Pi transfer through the plasma membrane. B. the Na+/K+ pump. C. a difference in H+ concentration on the two sides of the inner mitochondrial membrane. D. osmosis of macromolecules. E. large quantities of ADP.
Under conditions of resting membrane potential, the inside of the cell is ________________ charged with respect to the outside, and when an action potential is generated, the inside becomes ____________ with respect to the outside of the cell
A. negatively; more negative B. negatively; positive C. positively; negative D. positively; hyperpolarized
Control systems in the cell can induce cell suicide, or apoptosis, in cells with excessive DNA damage
a. True b. False Indicate whether the statement is true or false
Answer the following statements true (T) or false (F)
1) Crossing-over occurs in meiosis I and meiosis II. 2) Chromosome duplication occurs between meiosis I and meiosis II. 3) In animal cells, cell division is accomplished by the formation of a cleavage furrow. 4) Daughter cells produced in meiosis are identical. 5) Chromosome duplication occurs prior to both mitosis and meiosis.