Which of the following is TRUE about energy
releasing chemical reactions?
a. they all require ATP to proceed.
b. the activation energy required is greater
than for energy requiring chemical
reactions
c. the reactants have more energy than the
products
d. the reactants have the same amount of
energy as the products
e. the reactants have less energy than the
products
C
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The vector Glossina palpalis group transmits the T. brucei gambiense organism. The diagnostic stage is the:
a. amastigote. b. epimastigote. c. trypomastigote. d. promastigote.
Some organisms exhibit flexibility in terms of their energy harvesting reactions. If provided with oxygen, they will obtain energy through aerobic respiration. If in an environment without oxygen, they will turn to fermentation to satisfy their energy needs. These organisms are classified as:
obligate aerobes obligate anaerobes microaerophiles facultative aerobes aerotolerant anaerobes
Which factor is fundamentally responsible for the character of arctic tundra soils?
A) secretion of acid by lichens and plant roots B) permafrost C) warm, wet summers D) abundant winter snow
All poxviruses that infect humans are zoonoses.
Answer the following statement true (T) or false (F)