The structure labeled as 3 in Figure 51-2 is the:
a. archenteron.
b. endoderm.
c. mesoderm.
d. blastocoel.
e. ectoderm..
c
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Which statement accurately describes the relationship between RNA interference, small interfering
RNA, and micro RNAs?
a. They all describe different methods of post-translational gene regulation. b. Micro RNAs can be broken down into two types: RNA interference molecules and small interfering RNAs. c. RNA interference occurs in two ways: by micro RNA or by small interfering RNAs. d. Small interfering RNAs bind to dicer protein, microRNAs do not; both are types of RNA interference. e. MicroRNAs are transcribed from viruses, small interfering RNAs are transcribed from nuclear DNA; both are types of RNA interference.
An __________ consists of hardened parts inside the
body. Fill in the blank(s) with the appropriate word(s).
Some toxic animals are brightly colored, as a means of warning others of their danger
Indicate whether the statement is true or false
When making sugar, where does the supply of H, C, and O each come from