A ____ is an extension of a lobe of the cytoplasm, which is used by some protists for movement

a. gullet
b. pseudopod
c. cilium
d. pilus
e. flagellum


B

Biology & Microbiology

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Both hydrophilic and charged molecules readily diffuse through the cytoplasmic membrane

Indicate whether the statement is true or false.

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Amphibians are thought to have evolved from  

A.  ray-finned fish. B.  lobe-finned fish. C.  spiny fish. D.  skates and rays. E.  annelids.

Biology & Microbiology

Retired football players are _____ times more likely to die of neurodegenerative brain damage than the general public

a. three b. four c. five d. six e. ten

Biology & Microbiology

Mycobacterium tuberculosis are grown for 80 hours. During that time, they go through four generations of growth. What is the generation time?

A) 60 minutes B) 10 hours C) 40 hours D) 20 hours E) 20 minutes

Biology & Microbiology