Microbiology Exam #2 (practice test questions) / Newest Actual Exam Review Q&A with Definitive Answers / A+ Score Solutions.Quiz____?Elements that are required in relatively large amounts by microorganisms are called...A.multivitamins
- meganurtients
- macronutrients
- macromolecules -
- macronutrients
- hypotonic
- isotonic
- hypertonic
- osomotic -
- hypotonic
Answer✓✓
Quiz____?When a microorganism is placed in a(n) ________ solution, water will eneter into the cell and cause it to burst unless something is done to prevent it.
Answer✓✓
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Quiz____?If cells are grown in media containing amino acids labeled with radioactive nitrogen, most of the radioactivity will be found in the cells...
A. DNA
- proteins
- phospholipids
- DNA and proteins
- DNa and phosophlipids -
- DNA and proteins
Answer✓✓
Quiz____?Micooraginams that grow best at temperatures between 45-70 degrees
celsius are called:
- Thermophiles
- Psycrophiles
- Thermophobes
- Mesophiles -
- Thermophiles
- can readily count cells that fomr aggregates
- determines the number of viable cells
- can be performed on very dilute samples, such as lake water
Answer✓✓
Quiz____?Which of the following is an advantage of the standard plate count?
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- provides immediate results
- can be used to count heat-sensitive bacteria -
- determines the number of viable cells
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Quiz____?The total number of viable microorganisms remains constant in stationary
phase because:
- there is a balance between cell division and cell death
- there is a cessation of cell division even though the cells may remain
- either a or b
- niether a or b -
- either a or b
- direct microscopic count
- standard plate count
- filtration on a support membrane followed by incubation on medium
- metabolic activity
- most probably number -
- metabolic activity
- / 3
metabolically activie
Answer✓✓
Quiz____?Which of the following is NOT a direct method to measuree microbial growth?
Answer✓✓
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