Cytokinesis in animal cells involves the formation of a _____.
a) cell plate
b) centromere
c) clevage furrow
d) metaphase plate
Answer: c) clevage furrow
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The _________ is stimulated by releasing factors from the _________ that are transported in the bloodstream
A. anterior pituitary gland; hypothalamus B. posterior pituitary gland; hypothalamus C. anterior pituitary gland; posterior pituitary gland D. posterior pituitary gland; anterior pituitary gland E. hypothalamus; posterior pituitary gland
In the universal ABO blood grouping system,
there are four phenotypes: A, B, AB, and O. Various populations have different frequencies of these four phenotypes but, in most populations O is most common and AB least common. The ABO blood grouping system exemplifies
a. polymorphism. b. genetic drift. c. the bottleneck effect. d. the Red Queen effect. e. the founder effect.
What are some reasons that cells need to communicate?
What will be an ideal response?
In a line graph, the value of the independent variable is:
a. represented on the y-axis. b. represented as bars extending from the y-axis. c. represented as long lines extending from the right side of the graph. d. represented on the x-axis. e. represented as "slices in a pie."