The structure labeled as 3 in Figure 51-2 is the:



a. archenteron.

b. endoderm.

c. mesoderm.

d. blastocoel.

e. ectoderm..


c

Biology & Microbiology

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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.

Biology & Microbiology

An __________ consists of hardened parts inside the

body. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Some toxic animals are brightly colored, as a means of warning others of their danger

Indicate whether the statement is true or false

Biology & Microbiology

When making sugar, where does the supply of H, C, and O each come from

Biology & Microbiology