What enzyme is not found in Staphylococcus epidermis but is found in Staphylococcus aureus?

A. peroxidase
B. catalase
C. lysozyme
D. coagulase
E. lipase


Ans: D. coagulase

Biology & Microbiology

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The use of ____________________ is banned or restricted in more than 23 countries due to its toxicity

Fill in the blank(s) with correct word

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. A reason that some antibiotics harm bacteria but not humans is because these antibiotics inhibit enzymes only found in bacteria.
2.. Phagocytosis is a process that cells use to move large particles in through the cell membrane.
3. Receptor-mediated endocytosis is a specialized, more selective method of cell membrane transport than pinocytosis.
4. In addition to providing energy to the organism conducting photosynthesis, photosynthesis also provides raw materials and energy for heterotrophic organisms.
5. As this graph shows, photosynthesizing eukaryotes have several pigments and accessory pigments that selectively capture the green wavelengths of photons for photosynthesis.

Biology & Microbiology

Which component of cholesterol would classify it as a lipid?

A) carbohydrates B) phosphates C) glycerol D) hydrocarbons

Biology & Microbiology

Which endocrine gland regulates the overall metabolic rate of the body, as well as playing a role in calcium homeostasis?

a. pituitary
b. adrenal
c. thyroid
d. parathyroid

Biology & Microbiology