In older stems and roots, a complex dermal tissue called ____ replaces the epidermis
a. endoderm
b. periderm
c. mesophyll
d. cortex
e. lignin
ANSWER: b
Biology & Microbiology
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In prokaryotes, the 30S pre-rRNA transcript is cleaved into:
A. two rRNAs. B. three RNAs. C. two rRNAs and tRNA. D. three RNAs and tRNA. E. multiple copies of three specific RNAs plus tRNA.
Biology & Microbiology
Monoclonal antibodies used in many commercial applications are derived from ____
a. mice b. viruses c. genetically modified bacteria d. human volunteers e. horses
Biology & Microbiology
Why do lacOC mutants express in cis-dominant and not in transdominant fashion?
What will be an ideal response?
Biology & Microbiology
An RNA primer is synthesized by RNA primase
__________________ Indicate whether the statement is true or false.
Biology & Microbiology