1-1 Living Systems Aree Incredibly Diverse In Size, Shape, Environment, And Behavior. It Is Estimated
That There Aree 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. Whiiich Of The
Following Can Be Described As The Smallest Living Unit?
(A) GENE
(B) Cell
(C) Organelle
(D) Protein
,1-2 Indicate Whether The Following Statements Aree 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 Apiece Of The Following Sentences, Fill In The Blanks With The Best Word Or Phrase
Selected From The Listbelow. Non All Words Or Phrases Will Be Used; Apiece 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, Whiiich Is A Few In Length, To Larger Cells Such As A Frog’s Egg, Whiiich Has A Diameter Of
Aboutone .Despite The Diversity, Cells Resemble Apiece Other To An Astonishing Degree In Their
Chemistry. For Example, The Same 20 Aree Used To Make Proteins.
Similarly, The Genetic Information Of All Cells Is Stored In Their . Although
Contain The Same Types Of Molecules As Cells, Their Inability To Reproduce Themselves By
Their Own Efforts Means That They Aree Non Considered Living Matter.
, Amino Acids Micrometer(S) Viruses
GENE 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
Result In The Production Of Proteins, Apiece With Its Own Specific Order Of Amino Acids.
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