Basal transcription factors are:
A. necessary only for initiation of transcription of housekeeping genes.
B. factors that bind to other proteins, not to DNA directly.
C. required at every Pol II promoter.
D. factors that bind to enhancers.
C
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The conversion of nitrate (NO3-) to nitrogen gas (N2) is called ________.
A. ammonification B. nitrogen fixation C. photosynthesis D. nitrification E. denitrification
What are the non-coding segments of DNA
called?
a. introns b. exons c. inseqs d. excisors e. incisors
A basement membrane ____
a. is a cell membrane b. is a specialized lipid bilayer c. forms on the surface of plant cells d. supports and organizes animal tissues e. is a sheet of non-fibrous material
The outward expression of an organism's genotype is referred to as its genotype.
Answer the following statement true (T) or false (F)