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Test bank for Essential Cell Biology 4th edition by Bruce Alberts
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  • Essential cell biology
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  • Essential Cell Biology
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  • Essential Cell Biology

Test bank for Essential Cell Biology 4th edition by Bruce Alberts, Dennis Bray, Karen Hopkin, Alexander D Johnson, Julian Lewis, Martin Raff, Keith Roberts, Peter Walter

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  • January 30, 2024
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  • 2023/2024
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  • Test Bank for Essential Cell Biology: with Norton Illumine Ebook, Smartwork, and Animations, 5th Edition by Alberts, 9780393680362, Covering Chapters 1-20 | Includes Rationales
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lOMoARcPSD|18743735




lOMoARcPSD|18743735




Test Bank for Essential Cell Biology 4th Edition
Alberts

by Bruce Alberts, Dennis Bray, Karen Hopkin,
Alexander D Johnson, Julian Lewis, Martin Raff,
Keith Roberts, Peter Walter

,lOMoARcPSD|18743735

, lOMoARcPSD|18743735




Chapter 1: CELLS: THE FUNDAMENTAL UNITS OF LIFE


Unity and Diversity of Cells



1-1 Living systems are incredibly diverse in size, shape, environment, and behavior. It is estimated that
there are between 10 million and 100 million different species. Despite this wide variety of organisms, it
remains difficult to define what it means to say something is alive. Which of the following can be
described as the smallest living unit?



(a) DNA



(b) cell



(c) organelle



(d) protein


1-2 Indicate whether the following statements are true or false. If the statement is false, explain why it
is false.



A. The Paramecium is a multicellular microorganism covered with hair-like cilia.



B. Cells of different types can have different chemical requirements.



C. The branchlike extensions that sprout from a single nerve cell in a mammalian brain can extend
over several hundred micrometers.

1-3 For each of the following sentences, fill in the blanks with the best word or phrase selected from the
list below. Not all words or phrases will be used; each word or phrase should be used only once.


Cells can be very diverse: superficially, they come in various sizes, ranging from bacterial cells such as
Lactobacillus, which is a few in length, to larger cells such as a frog’s egg, which has a diameter of
about one .Despite the diversity, cells resemble each other to an astonishing degree
in their chemistry. For example, the same 20 are used to make proteins.

Similarly, the genetic information of all cells is stored in their . Although

, lOMoARcPSD|18743735




contain the same types of molecules as cells, their inability to reproduce
themselves by their own efforts means that they are not considered living matter.




amino acids micrometer(s) viruses



DNA millimeter(s) yeast



fatty acids plants



meter plasma membranes




1-4 How does cellular specialization serve multicellular organisms and how might a high



degree of specialization be detrimental?

1-5 The flow of genetic information is controlled by a series of biochemical reactions that

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