Scientists began to question the perfection of
the Chain of Being because of
a. the discovery of new organisms in new
parts of the world.
b. the presence of body parts with no apparent
function in some organisms.
c. the existence of fossil forms.
d. similarities in the structures found in
different forms of life.
e. all of these.
E
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Which of the following describes a deciduous conifer?
a. It drops all its leaves at once in autumn. b. It is pollinated by both beetles and birds. c. It grows new pine cones every six months. d. It has flowers that go dormant in winter.
Which organelle is most abundant in cardiac muscle cells?
A) Golgi complexes B) Plastids C) Lysosomes D) Mitochondria E) Smooth ER
The covalent linkage between the monomers in a dinucleotide is a(n) ________
A) disulfide bond B) ester bond C) peptide bond D) ionic bond E) phosphodiester bond
Chromosomal aberrations:
are more harmful than point mutations. involves gene deletions or relocations, but not duplications. are changes to the overall organization of genes on a chromosome. occur when a base pair is inserted or deleted. occur when one base pair in the DNA is substituted for another.