Plants have collections of totipotent stem cells called ____

Fill in the blank with the appropriate word.


meristems

Biology & Microbiology

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Homeotic genes are, in general, in control of

a. X chromosome inactivation. b. formation of major body parts. c. methylation of nucleotides. d. dosage compensation. e. more than one of these

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Based on what we know today, what is the best explanation for why the emu, ostrich, and rhea are so similar despite

being geographically separated? What will be an ideal response?

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These are the primary structures for sorting and shipping of proteins for export from the cell or

insertion into the cell membrane. a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula

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An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (naturally) wavy hair. What is the relationship between the alleles for hair texture?

A) pleiotropy B) incomplete dominance C) wavy hair dominant to both straight and curly hair D) codominance

Biology & Microbiology