A photograph of all the stained, prepared chromosomes in a eukaryotic cell is referred to as a
A) chromatid. B) karyotype. C) telomere. D) centromere.
B
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Cardiac muscle undergoes fast, synchronous contractions stimulated by ion flow. Which type of cellular junction is
essential for achieving this action in cardiac muscle?
a. gap junctions b. tight junctions c. plasmodesmata
d. adhering junctions e. desmosomes
If this structure were nibbled off by browsing deer, it would decrease the potential for an increase in height of the plant.
A. the terminal bud B. the leaf scar C. the axillary bud D. the stem E. the bark
Organisms that make their own organic compounds from inorganic substances are called
A. animals. B. animorphs. C. heterotrophs. D. autotrophs.
Electron transport reactions that occur in the mitochondria of eukaryotes take place on the inner membrane of that structure.
Answer the following statement true (T) or false (F)