Please select the pathogenic species of Neisseria.

> N. sicca
> N. macacae
> N. pneumoniae
> N. meningitidis
> N. gonorrhoeae


> N. meningitidis
> N. gonorrhoeae

Biology & Microbiology

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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

Biology & Microbiology

Almost all enzymes are

a. carbohydrates. b. proteins. c. lipids. d. nucleic acids. e. amino acids.

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology