Untreated streptococcal pharyngitis may progress to
A. scarlet fever.
B. necrotizing fasciitis.
C. rheumatic fever.
D. scarlet fever or necrotizing fasciitis.
E. scarlet fever or rheumatic fever.
Answer: E
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Filopodia and lamellipodia are associated with which cytoskeletal element?
a. microfilaments b. microtubules c. intermediate filaments d. chromatin e. cellulose. microtubules.
Fungi are more closely related to plants than they are to animals
A. true B. false
Ctenophores capture food:
a. with filter feeders. b. using adhesive glue cells that trap prey. c. with stinging hair cells that immobilize small invertebrates. d. by digging through the bottom mud for small invertebrates. e. with a sticky mucus on their tentacles that capture small invertebrates.
When the environment is equal in solute concentration to the cell's internal environment then there is no net change in cell volume. This indicates a(n) ____________ solution around the cell.
A) hypotonic B) hypertonic C) isotonic D) barometric