Which of the following never have cell walls?
A) algae
B) animal cells
C) archaea
D) bacteria
E) fungi
B
Bloom's Taxonomy: Knowledge
Section: Eukaryotic Cell Walls and Cytoplasmic Membranes
Learning Outcome: 3.31
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What structure in the RNA polymerase of bacteria helps keep the transcription bubble open?
A. the rNTP entry channel B. the DNA entry channel C. the pin structure D. the RNA exit channel E. the RNA entry channel
The molting hormone of arthropods is:
a. corticotropin b. MSH c. oxytocin d. ecdysone e. adrenalin
Spicy is not a basic taste category identified in humans
1.True 2.False
All of the following are characteristics of type 2 diabetes mellitus except
a. arises most commonly in adulthood. b. caused by insensitivity of fat and muscle cells to insulin. c. often associated with obesity. d. the least common form of diabetes.