The basis of cellular differentiation is

a. the operon
b. selective gene expression.
c. cloning.
d. mutation.


selective gene expression

Biology & Microbiology

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Eudicot embryos transfer nutrients in endosperm to ________ before germination

a. one cotyledon b. the root apical meristem c. the seed coat d. two cotyledons

Biology & Microbiology

Rho Family GTPases (Rho, Rac, Cdc42) stimulate cytoskeletal microfilament assembly for all of the following except

A) stress fiber formation. B) lamellipodia formation. C) nuclear envelope breakdown for mitosis. D) cytokinetic furrow formation. E) filopodia formation.

Biology & Microbiology

Viruses that become established as stable parts of the host cell genome are called

A. virulent. B. lethal. C. temperate. D. potent.

Biology & Microbiology

Instead of studying one or two proteins or protein complexes present in the cell at any given time, we can now look at a snapshot of all proteins being expressed in cells being grown in specific conditions

This large-scale, systematic approach to the study of proteins is called _______________. (a) proteomics. (b) structural biology. (c) systems biology. (d) genomics.

Biology & Microbiology