____ are dome-shaped structures composed of
layers of early cells and sediments.
a. Meteorites
b. Pumice stones
c. Stromatolites
d. Rhyolites
e. Ignimbrites
C
Biology & Microbiology
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Describe the roles of the following enzymes during DNA replication: ligase, single-stranded binding
protein (SSB), DNA polymerase III, primase, DNA helicase.
What will be an ideal response?
Biology & Microbiology
The lining of the gut and the stomach, liver, and
pancreas are produced by a. the ectoderm. b. the endoderm. c. the mesoderm. d. two of the germ layers. e. all of the germ layers.
Biology & Microbiology
What are peripheral membrane proteins?
What will be an ideal response?
Biology & Microbiology
This type of rock is formed by the depositing of eroded particles in layers on the bottom of oceans, lakes or rivers.
A. sedimentary B. igneous C. metamorphic D. volcanic
Biology & Microbiology