Please select the pathogenic species of Neisseria.
> N. sicca
> N. macacae
> N. pneumoniae
> N. meningitidis
> N. gonorrhoeae
> N. meningitidis
> N. gonorrhoeae
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Organisms of significant value to humans from this fungal phylum include the yeast Saccharomyces
cerevisiae, antibiotic-producing species of Penicillium, truffles, and morels.
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Almost all enzymes are
a. carbohydrates. b. proteins. c. lipids. d. nucleic acids. e. amino acids.
Cohesion, surface tension, and adhesion are the properties of water molecules that ________.
A) increase when temperature increases B) increase when pH increases C) are a result of hydrogen bonding D) are a result of polar covalent bonding
In a certain bacterial gene, transcription fails to initiate properly. What is a possible explanation?
a) DNA has not properly unwound from histones. b) The is a mutation in the inverted repeat sequence so that a hairpin can not form. c) There is a mutation at the Pribnow box at the -10 upstream location. d) There is a mutation at the Pribnow box at the -35 upstream location. e) TATA-binding protein (TBP) has not been added yet.