Nuclear ______ are specialized holes in the ________-layered nuclear envelope that separates the nucleus from the ___________.

A) passageways; one; cytoplasm
B) vesicles; three; endoplasmic reticulum
C) pores; two; cytoplasm
D) pores; one; endoplasmic reticulum
E) vesicles; two; cytoplasm


C) pores; two; cytoplasm

Biology & Microbiology

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Chemicals that are poisonous to specific cell types are said to be

(a) hazardous. (b) cytotoxic. (c) allelochemicals. (d) bioactive.

Biology & Microbiology

Which of the following has a shortest half life

a) Synthroid, b) Eltroxin c) Cytomel (Theramed) d) Armour e) Liotrix

Biology & Microbiology

During the course of fish evolution, two of the gill arches evolved into ________.

A. the pectoral fins B. the jaw C. gills D. the swim bladder E. No answer choice is correct.

Biology & Microbiology

An organism that grows both in the presence and the absence of oxygen and uses oxygen when it is available is called a(n)________

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

Biology & Microbiology