Which of the following never have cell walls?

A) algae
B) animal cells
C) archaea
D) bacteria
E) fungi


B

Biology & Microbiology

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Which amino acid is least soluble in water?

A. Alanine B. Glutamine C. Glycine D. Isoleucine

Biology & Microbiology

Explain how an F' × F- conjugation can produce a partially diploid bacterial cell

What will be an ideal response?

Biology & Microbiology

The goals of recombinant DNA technology include production of new organisms with useful combinations of traits

Indicate whether the statement is true or false

Biology & Microbiology

Which factor is responsible for many emerging pathogens in humans?

A) expanded host or tissue range of the pathogen B) longer life spans resulting in a larger elderly population C) increased use of antibiotics in the past half-century D) improved sanitation and hygiene practices E) availability of vaccines

Biology & Microbiology