In an pond ecosystem the _____ is always greater than the _____ .

(a) number of primary producers . . . number of secondary consumers

(b) biomass of secondary consumers . . . biomass of primary consumer

(c) assimilation efficiency of primary consumers . . . assimilation efficiency of secondary consumers

(d) biomass of primary producers . . . biomass of primary consumers

TLS Online TPP Program

#Question id: 14970

#XL - S Microbiology

A research lab is trying to produce new antibiotics. They come up with drugs that detach the hydrophilic heads from the phospholipids in plasma membranes. This drug

TLS Online TPP Program

#Question id: 14971

#XL - S Microbiology

Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain 

TLS Online TPP Program

#Question id: 14972

#XL - S Microbiology

Although O side chains are readily recognized by host antibodies, gram negative bacteria may thwart host defenses by 

TLS Online TPP Program

#Question id: 14977

#XL - S Microbiology

Careful electron microscopic studies often have shown the nucleoids are present in contact. Thus bacterial DNA is attached to

TLS Online TPP Program

#Question id: 14979

#XL - S Microbiology

Which is not true of mitochondria and chloroplasts?

TLS Online TPP Program

#Question id: 14980

#XL - S Microbiology

The membranes of eukaryotes and mycoplasma