An open reading frame (ORF) is defined as a DNA sequence that

a. begins with a start codon.               

b. ends with a stop codon.

c. contains 50 codons.   

d. contains approximately an equal frequency of A, T, G, and C.

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#Question id: 29054

#Unit 10. Ecological Principles

The ability to withstand freezing is called supercooling, which of the following is not an example of supercooling effect?

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#Question id: 19986

#Unit 2. Cellular Organization

Which of the following can be illustrated by C - value

a) Intron position 

b) position on evolutionary tree

c) evolutionary status of organism

d) exon position 

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#Question id: 12766

#Unit 10. Ecological Principles

Which of the following statements about the evolution of life histories is correct? 

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#Question id: 4903

#Unit 8. Inheritance Biology

 In genetic maternal effect

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#Question id: 14971

#Unit 2. Cellular Organization

Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain