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TLS Online TPP Program

#Question id: 5577

Totipotency is a term used to describe a cell's ability to give rise to a complete new organism. In plants, this means that ________.

#SCPH01 Biochemistry

  1. plant development is not under genetic control

  2. the cells of shoots and the cells of roots have different genes

  3. cell differentiation depends largely on the control of gene expression

  4. a cell's environment has no effect on its differentiation

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TLS Online TPP Program

#Question id: 2654

#SCPH06 I Botany

Regulation of the lac operon can be envisioned as regulation of enzyme synthesis by its
TLS Online TPP Program

#Question id: 355

#SCPH06 I Botany

Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?
TLS Online TPP Program

#Question id: 10512

#SCPH05 I Biotechnology

Members of the Poaceae family, which includes all of the cereal crops, use benzoxazinoids alkaloids are derived from,
TLS Online TPP Program

#Question id: 14104

#SCPH05 I Biotechnology

All the following are nucleotide sequence databases except
TLS Online TPP Program

#Question id: 2750

#SCPH05 I Biotechnology

Which of the following is true of histones?