A ________ layer consists of diffuse unorganized polysaccharide material that lies outside the cell wall and is easily removed.

Fill in the blank(s) with the appropriate word(s).


slime

Biology & Microbiology

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There are 20 different amino acids. What makes one amino acid different from another?

A) different side chains (R-groups) attached to a carboxyl carbon B) different side chains (R-groups) attached to the amino groups C) different side chains (R-groups) attached to an ? carbon D) different structural and optical isomers E) different asymmetric carbons

Biology & Microbiology

Muscles originate from the ____

a. ectoderm only b. endoderm only c. mesoderm only d. ectoderm and endoderm e. ectoderm and mesoderm

Biology & Microbiology

Thiomargarita species store large amounts of ________ in huge internal vacuoles.

A. nitrate B. oxygen C. sulfate D. hydrogen sulfide

Biology & Microbiology

After 30 cycles of PCR cloning of a segment

of DNA, how many copies of that segment will there be?

a. 1000 b. 10,000 c. 100,000 d. 1,000,000 e. 1,000,000,000

Biology & Microbiology