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Biology 1 Chapter 1
Terms in this set (8)
What is the correct order for the hierarchy of biological organization from the least to the most complex?
molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem
No amino acid molecule by itself can speed up or catalyze reactions between other molecules; however, when amino acids are joined together to make a protein with catalytic properties, the new structure (enzymatic protein) can speed up the rate of a specific chemical reaction. What does this illustrate?
Which of the following statements is true about chemical nutrients in an ecosystem?
They recycle within the ecosystem, being constantly reused.
Which of the following attributes is common to both prokaryotic cells and eukaryotic cells?
the use of DNA as the information storage molecule
Competition is central to the theory of natural selection. Why does competition occur?
Organisms typically produce too many offspring, and resources are limited.
Which of the following is an example of "unity in diversity"? Answer is D
A) The structure of DNA is the same in all organisms.
B) All organisms, including prokaryotes and eukaryotes, use essentially the same genetic code.
C) The forelimbs of all mammals have the same basic structure, modified for different environments.
D) All of the above are correct.
In order for a hypothesis to be able to be used in science, which of the following must be true?
It is testable and falsifiable.
Which of the following is true of a scientific theory?
It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.
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