Transcription starts at a ____ and ends at a ____

Two parts for this statement.


Answer: promoter, terminator

Biology & Microbiology

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________ indirectly link the extracellular matrix and the cytoskeleton of animal cells.

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

Biology & Microbiology

The most prominent water-borne pathogens of recent times include all of the following except ______.

A. Staphylococcus B. Salmonella C. Norwalk viruses D. Cryptosporidium

Biology & Microbiology

In order to activate the cell mediated arm of the

adaptive immune response, which of the following must occur?

a. A naïve helper T cell must bind to an antigen-presenting dendritic cell. b. A naïve B cell must be activated in order to activate the effector helper T cell. c. A free bacterium must pass through a lymph node where it will directly activate the effector helper T cell. d. A damaged or infected body cell must pass through a lymph node in order to activate T cells. e. None of these will activate the cell mediate arm.

Biology & Microbiology

Darwin's theory states, in part, that individuals with certain traits have an increased competitive edge. What is the

source of these traits? a. adaptation to stress b. development over a lifetime c. inheritance d. mutation after birth e. better living conditions

Biology & Microbiology