Green sulfur bacteria are nonmotile but can control their depth by using gas vesicles to control buoyancy.
Answer the following statement true (T) or false (F)
True
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An unfortunate deer becomes stuck in quicksand at the edge of a lake and dies. A few months later, it is buried by sediment in a massive landslide, but by this time, bacteria have fully decomposed its soft tissues. Several million years later, archeologists are digging at the spot where the deer dies and was buried. Would the archeologists be able to find a fossil of the deer? Why or why not?
A. No, because it needed to be fully intact when buried to form a fossil. B. Yes, because its skeleton could have been replaced by minerals to form a fossil. C. No, because bacteria continued to decompose its skeleton after it was buried. D. Yes, because it would have fossilized before it was buried.
Which of the following is not a type of connective tissue?
a. skin b. adipose tissue c. blood d. bone e. lymph
Which one of the following is most similar to the mechanism of an enzyme inhibitor?
A) keeping someone from parking by parking in their designated spot B) driving the wrong way on a one-way street C) forgetting to put a cap back on a pen D) changing the tires on a car
Which of the following are characteristics of mitosomes?
A. Mitosomes are involved in energy production. B. Mitosomes are not evolutionarily linked to mitochondria. C. Mitosomes help produce FeS proteins. D. Mitosomes are bound by two membranes.