The role of the agar ingredient in culture medium is to:
a. provide a nutritional base for bacterial metabolism.
b. solidify the medium and provide a stable culture surface.
c. sterilize the medium and prevent conta-mination.
d. support the growth of only pathogenic or-ganisms.
B
Agarose is a solidifying agent used to make bacterial medium solid for the growth of colonies of bacteria.
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Large chromosomal inversions can cause problems with
A. meiosis. B. mismatch repair. C. reciprocal translocation. D. base exclusion repair. E. none of these.
A DNA microarray is ____
a. used for gel electrophoresis b. used identifying fragments of genes using a labeled probe c. linked to self-replicating vectors to create recombinant DNA molecules d. a series of long mRNA sequences placed on a solid support and has several uses e. a series of short nucleotide sequences placed on a solid support and has several uses
Humans follow which type of survivorship curve?
a. Type I b. Type II c. Type III d. Type IV
Parabasilids are excavates that lack functional mitochondria and lack a Golgi complex
_______________ Indicate whether the statement is true or false.