________ mutations occur in the promoter or operator region of a gene or set of genes and affects the expression of the downstream genes without affecting the amino acid sequences of the gene products.
Fill in the blank(s) with the appropriate word(s).
Regulatory
Biology & Microbiology
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The stain that requires heating the slide for better penetration of stain into the mycobacterial cell wall is known as the:
a. Kinyoun's. b. Ziehl-Neelsen. c. fluorochrome. d. carbolfuchsin.
Biology & Microbiology
What name is given to a gene that is always expressed?
What will be an ideal response?
Biology & Microbiology
The evolutionary explanations for behavior are called the
A) fixed action patterns. B) sensitive period. C) proximal causes. D) ultimate causes.
Biology & Microbiology
In the diagram at the bottom called a(n)________, the shared derived______are internal fertilization and amniotic eggs.
What will be an ideal response?
Biology & Microbiology