Biology 1500 Final (Bush) Mizzou Exam Questions With Correct Answers
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Course
Bio 1500
Institution
Bio 1500
Biology 1500 Final (Bush) Mizzou Exam
Questions With Correct Answers.
In the figure below from your video on diffusion, a red arrow points to an orange particle. In the
next instant of time, which direction is the orange particle most likely to move? - answerto
the right
Which of the following...
Biology 1500 Final (Bush) Mizzou Exam
Questions With Correct Answers.
In the figure below from your video on diffusion, a red arrow points to an orange particle. In the
next instant of time, which direction is the orange particle most likely to move? - answer✔✔to
the right
Which of the following statements about dragonflies is false? - answer✔✔Dragonflies feed on
nectar and pollen and are important plant pollinators
A drop of dye has been deposited at one end of a tank of water. If you leave the tank of water
alone for a long period of time (several days) and return to it later, which statement best
describes the behavior of the dye molecules at the time you return? - answer✔✔They're still
moving in the same manner as when they were dropped into the tank
You are standing in line for lunch in the Student center. You try to explain to one of your
classmates how much distance they should leave between you using what you learned about the
size of Meganeura (the giant dragonflies). How many Meganeuras should be able to fly side by
side between two people in line to maintain sufficient social distancing during the Covid-19
pandemic? - answer✔✔2 meganeuras
The atmosphere of the early Earth did not contain O2. Where did the O2 eventually come from?
- answer✔✔Photosynthetic organisms released the O2.
Which of the following statements best describes the distribution of major events in the history
of life on Earth? - answer✔✔Major evolutionary milestones tend to be more highly concentrated
at the recent end of the timeline that extends from the origin of life until today.
What is the logic behind Drs. Bush and Schul's system for assigning the teams? -
answer✔✔Maximize diversity of experience, background, majors, etc., because this increases
the likelihood of the group members to be successful
The atmosphere of the early earth lacked molecular oxygen. If O2 had never been added to the
atmosphere, what geological phenomenon would not have occurred? - answer✔✔Most minerals
wouldn't exist
Danielle, a student in Bio1500, worked very hard on the lab and has a Lab average of 100%.
Because she skipped several discussions without excuses, her average in the discussion is 75%.
What is the combined Lab*Discussion score which counts for 25% of the total Bio1500 grade? -
answer✔✔75%, because the two grades are multiplied with each other
Look at the formula below, which was in your lecture on diffusion. What important point is
illustrated by this formula?
t=x^2/2D t=time, x=distance, D=Diffusion coefficient - answer✔✔Small increases in the
distance over which particles travel by diffusion require large increases in the time for that
diffusion to take place.
According to scientific evidence, approximately when did Life first appear on Earth? -
answer✔✔3.8 BYA
Approximately when did photosynthesis occur for the first time on Earth? - answer✔✔2.5 BYA
When do mutations occur? - answer✔✔at random times
Clapham and Karr conclude that although O2 concentration determined the maximum insect size
during the Carboniferous, other factors determined maximum insect size later in Earth's history.
What evidence led to this conclusion? - answer✔✔Around 120 million years ago oxygen levels
increased while maximum insect size did not.
Trace the flow of energy during the reactions of photosynthesis. Energy enters photosynthesis in
the form of light energy . At the end of the light-dependent reactions, the energy is located in the
bonds of - answer✔✔light energy
Following the light-independent reactions, the energy is located - answer✔✔in the bonds of
glucose
The great oxygenation event was caused by (choose the best answer): - answer✔✔Cyanobacteria
evolved photosynthesis, which released free O2 into the oceans and atmosphere for the first time
The paper by Clapham and Karr identified a second factor besides the Oxygen content of the air
that influenced the maximum insect size during their evolutionary history. This factor is: -
answer✔✔The absence/presence of large aerial predators
Suppose you are developing a new dye that will enter cells through diffusion across the plasma
membrane, enabling you to see the cells more easily under a microscope. If you want to increase
the rate of diffusion of the dye molecules into the cells, you might try all of the following
EXCEPT: - answer✔✔increase the mass of the dye molecules
Darwin realized that most species produce far more offspring than is necessary to maintain a
constant population size. What is the fate of the excess individuals? - answer✔✔The more
favorable forms survive and reproduce, the others do not.
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