BS 161 exam 1 practice questions with answers.

BS 161 exam 1 practice questions with
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answers

Which of the following are common features of ALL living
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organisms? - CORRECT ANSWERS ✔✔-ability to store information |\ |\ |\ |\ |\ |\ |\ |\


in DNA
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-presence of a plasma membrane |\ |\ |\ |\ |\




-ability to capture energy from the environment
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The feature of an experiment that is changed from one treatment
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to the next is referred to as a(n) - CORRECT ANSWERS ✔✔a
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variable


In some experiments, several identical groups are set up,
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keeping conditions similar among them. In the _____ group, a
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change is deliberately introduced. In the _____ group, this change
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is not introduced. In this way, the researcher can determine if
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the change has an effect. - CORRECT ANSWERS ✔✔test; control
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What is immediately produced when a cell performs translation? -
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CORRECT ANSWERS ✔✔proteins
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Which one of the statements represents the flow of information
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as described by the central dogma of molecular biology? -
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CORRECT ANSWERS ✔✔Information in DNA is transcribed into|\ |\ |\ |\ |\ |\ |\ |\


RNA, which carries the information to make protein.
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, Which of these processes will most likely decrease the entropy
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inside a cell (and thus, increase the entropy of the environment
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outside a cell)? - CORRECT ANSWERS ✔✔linking together amino
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acids to build a large protein
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When you eat a hamburger, some of the energy in the food is
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converted to ATP that your cells can use to do all kinds of work,
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some of the energy is stored for later use, and some of the
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energy is dissipated as heat. The amount of energy before and
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after eating the hamburger is the same. This illustrates the: -
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CORRECT ANSWERS ✔✔first law of thermodynamics. |\ |\ |\ |\ |\




All of the chemical reactions in a cell that are required to sustain
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life are referred to as - CORRECT ANSWERS ✔✔metabolism.
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At some point in their life cycle, all cells have a _____, whereas
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not all cells have a(n) _____. - CORRECT ANSWERS ✔✔plasma
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membrane; nuclear membrane |\ |\




Which one of the statements explains a characteristic of both all
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living organisms and all nonliving material? - CORRECT ANSWERS
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✔✔They both conform to the basic laws of chemistry and
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physics.


By definition, an ionic interaction occurs between: - CORRECT
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ANSWERS ✔✔a positively charged molecule and a negatively
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charged molecule |\