Green Bacteria Phototrophy

What will be an ideal response?


--Light absorption by bacteriochlorophyll excites 2 electrons to higher energy state.
--Subsequent e- movement to NAD+ results in NADH and proton gradient for ATP.

Biology & Microbiology

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In terms of surface area for exchanges, gill filaments are analogous to the __________ in the

digestive system.

a. small intestine b. villi c. stomach d. pancreas

Biology & Microbiology

The correct sequence of embryonic development is ____

a. gastrulation, organogenesis, and fertilization b. cleavage, gastrulation, and organogenesis c. gastrulation, fertilization, and organogenesis d. gastrulation, cleavage, and organogenesis e. fertilization, organogenesis, and cleavage

Biology & Microbiology

Which is incorrect about histoplasmosis?

A. It is transmitted by inhalation of spores. B. It never spreads to sites outside the respiratory tract. C. Chronic cases have symptoms similar to tuberculosis. D. It causes respiratory infections that range from mild to severe. E. The pathogen grows inside macrophages.

Biology & Microbiology

IQ is calculated by dividing the individual’s ____________________ age by his or her ____________________ age

and multiplying the quotient by 100.

Biology & Microbiology