Which type of worm lacks a complete digestive tract?

A) Flatworms
B) Annelids
C) Roundworms
D) All of the above


A

Biology & Microbiology

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Humans are included in which of the following groups?

A. great apes B. prosimians C. gorillas D. chimpanzees

Biology & Microbiology

Cytochalasins prevent addition of monomers to pre-existing ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Alternation of generations means

A. One phase of the life cycle takes place on land and the other in water. B. One phase of the life cycle is photosynthetic and the other is heterotrophic. C. One phase of the life cycle is diploid and the other is haploid. D. One phase of the life cycle is unicellular and the other is multicellular. E. One phase of the life cycle is motile and the other is stationary.

Biology & Microbiology

Nucleic acids have primary, secondary, tertiary, and quaternary levels of organization.

Answer the following statement true (T) or false (F)

Biology & Microbiology