To learn more about the last common ancestor of all living things, scientists studied the genes that bacteria and ________ share.

A. archaea
B. alga
C. protista
D. animals
E. plants


Answer: A

Biology & Microbiology

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Which of the following components is not associated with the primary cell wall?

A) cellulose microfibrils B) hemicelluloses C) pectins D) glycoproteins E) lignins

Biology & Microbiology

All of the following are true about prosimians except  

A.  they are big-eyed mammals with increased visual acuity. B.  only two lineages survive today. C.  they are nocturnal. D.  they are widespread.

Biology & Microbiology

Human activities have resulted in at least one-third of the landmass of Earth being altered in some way

Indicate whether the statement is true or false

Biology & Microbiology

All of the changes that occur starting from the time an egg is fertilized and continuing through childhood, adolescence, and adulthood are called

A. evolution. B. homeostasis. C. development. D. metabolism. E. reproduction.

Biology & Microbiology