The M protein of Streptococcus pyogenes
A) Protects against phagocytosis and enhances adherence.
B) Is also called streptokinase.
C) Is the basis for the organism belonging to Lancefield Group A.
D) Protects against lysozyme damage.
E) Gives rise to a zone of beta hemolysis on blood agar.
A) Protects against phagocytosis and enhances adherence.
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Cells located in red bone marrow that give rise to platelets, red blood cells, and white blood cells are called ________ cells
Fill in the blank(s) with correct word
Because a food chain underestimates the degree of complexity in most ecosystems, a food web is a more accurate depiction of the feeding relationships in an ecosystem
Indicate whether the statement is true or false
The first life on Earth was probably most similar to modern-day
A. bacteria. B. protists. C. Archaeans. D. plants. E. fungi.
Mutations are changes to the information in DNA. What would happen to an enzyme's ability to function if a mutation changed the order of some of the amino acids in its polypeptide chain?
What will be an ideal response?