According to the principle of use and disuse the form of body parts in offspring ____
a. are inherited based on phenotypic changes that occur in parents during their lifetime
b. are the result of how much the offspring uses a particular body part
c. are the result of natural selection
d. are immutable
e. are a result of biogeographic location
B
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Non-coding DNA regions within a gene are referred to as
A. introns. B. exons. C. templates. D. transposons. E. pseudogenes.
____ are responsible for separating
chromosomes during cell division.
a. Microfilaments. b. Intermediate filaments. c. Actin filaments d. Microtubules e. Microfibers
Water and minerals can move from one cell to another in the intracellular pathway through the
A. Casparian strip. B. guard cells. C. companion cells. D. plasmodesmata. E. stomata.
When an encapsulated bacteria loses the ability to form capsules, it almost always loses its pathogenicity.
A) True B) False