Of the carrier molecules in the electron transport chain, which has heme as part of its prosthetic group?

A) flavoproteins
B) iron-sulfur proteins
C) cytochromes
D) copper-containing cytochromes
E) coenzyme Q


C) cytochromes

Biology & Microbiology

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Sometimes a prokaryotic activator protein interacts with a small molecule in the cell and undergoes a change in shape that alters its affinity for binding to DNA. This change in shape is an example of an ____ effect

Fill in the blank with the appropriate word.

Biology & Microbiology

In basidiomycetes the _______ is diploid.  

A.  basidium B.  primary mycelium C.  secondary mycelium D.  zygote

Biology & Microbiology

What is a property of a pathogenic bacterium?

A) It may produce a protein that interferes with basic cellular functions. B) All strains of the same species are also pathogenic. C) It probably conducts photosynthesis. D) It is resistant to all antibiotics.

Biology & Microbiology

Mussels outcompete barnacles for space in the middle intertidal zone of the temperate rocky intertidal

Indicate whether the statement is true or false

Biology & Microbiology