Test bank for Essential Cell Biology 4th edition by Bruce Alberts
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Course
Essential cell biology
Institution
Essential Cell Biology
Book
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
Test Bank for Essential Cell Biology: with Norton Illumine Ebook, Smartwork, and Animations, 5th Edition by Alberts, 9780393680362, Covering Chapters 1-20 | Includes Rationales
Test Bank - Essential Cell Biology, 5th Edition (Alberts, 2020), Chapter 1-20 | All Chapters
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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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