Which of the following are least likely to diffuse through the phospholipid bilayer of a cell membrane?

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#Question id: 4326

#SCPH05 I Biotechnology

Which of the following is an example of post-transcriptional control of gene expression?

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#Question id: 7297

#SCPH06 I Botany

How is the ABC model for floral identity in Arabidopsis similar to the models for homeotic gene function derived from studies in Drosophila?

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#Question id: 4312

#SCPH06 I Botany

Among the newly discovered small noncoding RNAs, one type helps to reestablish ethylation patterns during gamete formation and blocks expression of some transposons. Which of the following types of RNA is responsible for this function?

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#Question id: 12582

#SCPH06 I Botany

Which of  the  following  describes carbon dioxide,  methane, and  water  vapor re-reflecting infrared radiation back toward Earth?

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#Question id: 2265

#SCPH01 Biochemistry

Passage through pores in the nuclear envelope is restricted primarily to