Bacterial cell walls contain which complex molecule composed of carbohydrate chains connected by peptides?

a. Chitin
b. Peptidoglycan
c. Phospholipid
d. Cellulose


Answer: b. Peptidoglycan

Biology & Microbiology

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Where in a limb bone would trabeculae be found?

A. in the epiphysis B. in the diaphysis C. in the compact bone D. in the marrow cavity E. in the shaft

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What will be an ideal response?

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________ bonds form between amino acids during elongation.

A) Disulfide B) Peptide C) Hydrogen D) Glycine

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Which of the following is NOT a goal of the inflammatory reaction?

a) brings more oxygen to damaged tissues b) decreases blood loss from a wind c) decreases the number of white blood cells in the damaged tissues d) Prevents entry of pathogens into damaged tissue.

Biology & Microbiology