The Archaea generally lack which of the following that are normally found in Gram-negative bacteria?
A. a complex peptidoglycan network
B. outer membrane
C. lipopolysaccharide
D. All of the choices are correct.
Answer: D
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Which of the following is the most common systemic fungal disease in the United States?
A) cryptococcosis B) coccidioidomycosis C) histoplasmosis D) Pneumocystis pneumonia
During the initiation of translation, the small ribosomal subunit binds mRNA, and then the initiator tRNA base-pairs with mRNA. Which step happens next?
a. The ribosome catalyzes the formation of the first peptide bond. b. The first tRNA is released. c. The large ribosomal subunit joins the small subunit. d. The ribosome starts the assembly of the amino acid chain. e. The second tRNA base-pairs with the mRNA.
The secondary spermatocyte is cell number
a. 2. b. 3. c. 4. d. 5. e. 6.
For fungi that produce mushrooms, the majority of the organism is located:
A) in fruiting bodies. B) above ground. C) in spores. D) underground.