Where Are We?

What will be an ideal response?


•Goal: capture energy to build order in cell.
•So far, energy source has been electron exchange to ETS from organic or inorganic compounds (small energy transitions).
•Light can also provide energy to move electrons = phototrophy (large energy transition)
•Microbes often couple phototrophy with autotrophy (Photosynthesis)
-involves both phototrophy (light reactions) & biosynthesis (dark reactions).

Biology & Microbiology

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When sugar dissolves in water, water is acting as a ____ and the sugar molecules are acting as ____

a. solution; solvents b. solute; solutions c. solvent; solutes d. solute; solvents e. solvent; solutions

Biology & Microbiology

Among other discoveries, Lamarck was the first to explain the phenomenon of atolls

Indicate whether the statement is true or false

Biology & Microbiology

Vitamin B3 is a precursor of ____

a. NADH b. ATP c. DNA d. RNA e. FADH

Biology & Microbiology

Product recalls on frozen hamburger are not uncommon during any given year. The meatpacking industry can experience problems when processing centers accidentally introduce this fecal bacterium into ground meat

Which organism is commonly found to be the culprit? A) Clostridium B) E. coli C) Streptococcus D) Staphylococcus

Biology & Microbiology