BMOL6401 - L7 - Microbial Metabolism

Define chemoorganotrophs

• Obtain energy from organic chemicals
• Obtain energy from inorganic compounds
• Convert light into biologically useful energy
• Carbon source from another organic compound(s)
• Direct utilization of CO2

Define chemolithotrophs

• Obtain energy from organic chemicals
• Obtain energy from inorganic compounds
• Convert light into biologically useful energy
• Carbon source from another organic compound(s)
• Direct utilization of CO2

Define Phototrophs

• Obtain energy from organic chemicals
• Obtain energy from inorganic compounds
• Convert light into biologically useful energy
• Carbon source from another organic compound(s)
• Direct utilization of CO2

Define heterotrophs

• Obtain energy from organic chemicals
• Obtain energy from inorganic compounds
• Convert light into biologically useful energy
• Carbon source from another organic compound(s)
• Direct utilization of CO2

Define autotrophs

• Obtain energy from organic chemicals
• Obtain energy from inorganic compounds
• Convert light into biologically useful energy
• Carbon source from another organic compound(s)
• Direct utilization of CO2

The cytoplasmic membrane has very ______ permeability

• High
• Low
• Medium
• None
• Infinite

What two types of energy do membrane channels use to uptake nutrients or export waste?

• ATP and glucose
• PMF and ATP
• NADH and FADH2
• Glucose and oxygen
• NAD+ and FAD+

Define free energy

• The energy to do work
• The energy stored in glucose
• The energy in fats
• The energy to synthesize DNA
• The energy from the sun

Exergonic reactions…

• Release energy
• Absorb energy
• Store energy
• None of the above
• Both 1 and 3

Define metabolism

• The collection of controlled biochemical reactions that take place within a microbe
• The breakdown of glucose
• The synthesis of proteins
• The destruction of toxins
• The conversion of light into energy