Echinoderms exhibit modified ____ symmetry

a. asymmetric
b. bilateral
c. radial
d. triradial


C

Biology & Microbiology

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Some immature B cells are reactive to self-antigens but do not become activated even when exposed to high concentrations of self-antigens

Indicate whether the statement is true or false.

Biology & Microbiology

Environmental genomics is sometimes called metagenomics.

Answer the following statement true (T) or false (F)

Biology & Microbiology

____________________ molecules are responsible for the phenotype of an organism

Fill in the blank(s) with correct word

Biology & Microbiology

The chemolithotrophs that metabolize reduced sulfur compounds using oxygen as a terminal electron acceptor in the Winogradsky column include ________.

A. cyanobacteria B. Chromatium C. Desulfovibrio D. Beggiatoa

Biology & Microbiology