A function that the glycocalyx does not have for a bacterium is:
a. Attachment
b. Resistance to drying
c. Protein synthesis
d. Protection from immune system cells
e. Production of biofilms
Answer: c. Protein synthesis
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Why might increased nutrient availability result in increased species diversity in aquatic systems while it results in decreases in terrestrial systems?
A) Aquatic systems have weaker competitive interactions. B) Aquatic systems have stronger competitive interactions. C) Nutrients are diluted too rapidly in aquatic systems. D) Nutrients are always abundant in terrestrial systems.
The cells wall of bacteria Z contains high concentrations of phospholipids along with proteins and relatively low amounts of lipopolysaccharide. When bacteria Z is gram stained, it will most like be colored?
A. Pink B. Purple C. Blue D. Clear, it does not retain any stain
Which of the following is an accessory organ of the human digestive system?
A. Salivary gland B. Esophagus C. Stomach D. Small intestine E. Large intestine
The cleavage of glycogen by glycogen phosphorylase releases _____.
-fructose-1-phosphate -galactose-1-phosphate -cellulose -glucose-1-phosphate -nothing: glycogen phosphorylase cannot cleave glycogen