What is incorrect about pertussis?
What will be an ideal response?
The number of cases is steadily decreasing since 1976.
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The correct sequence of stages in mitosis is
(a) interphase, prophase, metaphase, anaphase, telophase. (b) prophase, metaphase, anaphase, telophase. (c) metaphase, anaphase, prophase, telophase. (d) prophase, telophase, anaphase, interphase.
Solid worms that lack a body cavity are known as
A. acoelomates. B. pseudocoelomates. C. triploblastic. D. coelomates. E. diploblastic.
In mutualism, the interaction between two species is more often a reciprocal exploitation than a cooperative effort between individuals
Indicate whether the statement is true or false
A chromosome library is a collection of all of the DNA:a
that occurs in one species. b. contained in one chromosome. c. that would be found in the chromosomes of a typical cell of a particular organism. d. in a recombinant gene. e. that codes for functional enzymes in a chromosome of a particular organism.