Gram-positive bacteria have a structurally and chemically more complex cell wall than gram-negative bacteria.
Answer the following statement true (T) or false (F)
False
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. If the side chains of amino acids contain carboxyl (-COOH) groups, they
A. contribute a positive charge to the amino acid at pH 10. B. contribute a negative charge to the amino acid at pH 10. C. have no effect on the charge of the amino acid at pH 10. D. are considered acidic amino acids. E. contribute a negative charge to the amino acid at pH 10 AND are considered acidic amino acids.
Mussels outcompete barnacles for space in the middle intertidal zone of the temperate rocky intertidal
Indicate whether the statement is true or false
Glyptodonts are fossil forms that resemble
a. ostriches. b. armadillos. c. kangaroos. d. turtles. e. sloths.
A typical epistatic ratio is 9:3:4
Indicate whether the statement is true or false