When a certain allele at a particular gene loci has a frequency of 1.0 in a population, it is considered _____ for that population.

a) dominant
b) lost
c) recessive
d) fixed
e) balanced.


Answer: d) fixed

Biology & Microbiology

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If you were to use antibodies that were chemically bonded to a stain in order to visualize the expression pattern of a protein in a fixed tissue, what experimental techniques and equipment would be applicable?

A. antibody interference assay, bright-field microscopy B. immunohistochemistry, dark-field microscopy C. immunohistochemistry, bright-field microscopy D. DAPI or Hoechst stains, fluorescence microscopy

Biology & Microbiology

Which molecule ultimately gets translated into a protein?

a. DNA b. rRNA c. mRNA d. tRNA e. RNA polymerase

Biology & Microbiology

Which of the following are present in your liver cells?

A) enhancers of genes expressed in the liver B) enhancers of genes expressed in the kidney C) promoters of genes expressed in the liver D) promoters of genes expressed in the kidney E) All of the above are present in liver cells

Biology & Microbiology

Mechanoreceptors include unencapsulated dendritic endings, Merkel disks, Meissner's corpuscles, Pacinian corpuscles, and olfactory receptors

Indicate whether the statement is true or false

Biology & Microbiology