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BI 205 exam 1
Terms in this set (15)
change only one variable at a time.
When carrying out a controlled experiment, it is important to:
They both conform to the basic laws of chemistry and physics.
Which one of the statements explains a characteristic of both all living organisms and all nonliving material?
transcription and translation
Nucleic acids are important information storage molecules present in virtually every cell. Which of the processes is carried out by a cell when it accesses that information in the DNA of the genes?
Consider the image. If the ostrich egg shown in the photo is not fertilized, it is composed of approximately how many cells?
How many experiments have been conducted worldwide to test Darwin's initial hypothesis regarding natural selection?
A controlled way of asking and answering unbiased questions about the world is called a(n):
The feature of an experiment that is changed from one treatment to the next is referred to as a(n):
The crater believed to be the site of the meteor impact that caused the extinction of the dinosaurs is on the coast of:
In scientific inquiry, hypotheses lead most directly to:
A boy observes a robin outside of his window. He notices the robin repeatedly cocks its head to one side before pecking the ground. The boy suspects that when the robin cocks its head it is actually listening for worms or insects underground. His explanation of the bird's behavior is an example of:
The owl uses a portion of this energy to catch additional prey.
Some of this energy is released as heat.
The owl uses a portion of this energy to fly.
All of these choices are correct.
Food consumed by organisms is converted to ATP, which is used to fuel metabolism in general. In the conversion, some of the energy is lost as heat.
Imagine that an owl acquires energy by eating a mouse. What happens to this energy?
Information in DNA is transcribed into RNA, which carries the information to make protein.
Which one of the statements represents the flow of information as described by the central dogma of molecular biology?
Imagine that you are looking at the tree of life. The majority of branches on this diagram would represent which types of organisms?
In which of the domains do the cells store their genetic information in a nucleus?
Prokaryotic cells found in extreme, harsh environments often belong to the domain:
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