A Gram-positive bacterium is characterized by the
a. presence of a thin cell wall.
b. presence of a thick cell wall.
c. absence of a cell wall.
d. presence of an outer membrane.
e. absence of ribosomes.
B
You might also like to view...
How could you distinguish between a root hair versus a very small root?
A. Root hairs are white, while roots are brown. B. Root hairs are extensions of single cells, while roots are multicellular. C. Root hairs only absorb water, not nutrients like roots. D. Root hairs do not have a cuticle. E. The epidermis of a root hair is thinner than the epidermis of a root.
Individuals best suited to their environment survive and reproduce most successfully. This idea is known as...
a) descent with modification b) struggle for existence c) survival of the fittest d) common descent
Which of the following choices lists in correct order the structures which a sound wave must vibrate in order to be sensed?
What will be an ideal response?
Aerosols may be involved in ________ transmission of pathogens
A) droplet B) direct C) vector D) fecal-oral E) waterborne