Introductory concepts in Biology - 3

1

A large molecule typically formed by the joining of smaller molecules

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Correct Answer:

macromolecule

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
2

A chemical structure consisting of at least two atoms held together by a chemical bond

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Correct Answer:

molecule

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
3

A structure formed of tissues operating together to perform a common function

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Correct Answer:

organ

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
4

The higher level of organization that consists of functionally related organs

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Correct Answer:

organ system

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
5

A membrane-bound compartment or sac within a cell

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Correct Answer:

organelle

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
6

ِِِِِAn individual living entity

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Correct Answer:

organism

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
7

A diagram showing the evolutionary relationships among biological species based on similarities and differences in genetic or physical traits or both

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Correct Answer:

phylogenetic tree

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
8

All individuals within a species living within a specific area

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Correct Answer:

population

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
9

A unicellular organism that lacks a nucleus or any other membrane-bound organelle

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Correct Answer:

prokaryote

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf
10

A group of similar cells carrying out the same function

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Correct Answer:

tissue

Reference

http://dept.clcillinois.edu/biodv/PrinciplesOfBiology.pdf