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TLS Online TPP Program

#Question id: 11542

Different body cells can respond differently to the same polypeptide hormones because ________.

#I Life Science/ Life Sciences Group – I-V
  1. different target cells have different sets of genes
  2. a target cell's response is determined by the components of its signal transduction pathways
  3. the circulatory system regulates responses to hormones by routing the hormones to specific targets
  4. the hormone is chemically altered in different ways as it travels through the circulatory system
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TLS Online TPP Program

#Question id: 2740

#SCPH05 I Biotechnology

Escherichia coli use antisense regulation to switch the expression of outer membrane proteins. Antisense _____________.
TLS Online TPP Program

#Question id: 11330

#SCPH06 I Botany

Bio geographers have noted that the tropics have more terrestrial species than temperate regions. Which of the following is NOT a plausible explanation for this pattern?
TLS Online TPP Program

#Question id: 6955

#SCPH06 I Botany

In frogs, maternally packaged Xwnt-11 leads to nuclear localization of _____ in the _____, which in response signals to adjacent cells to become the _____.
TLS Online TPP Program

#Question id: 2116

#SCPH06 I Botany

When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?
TLS Online TPP Program

#Question id: 3689

#SCPH01 Biochemistry

DNA replication is bidirectional and anti-parallel. Which of the statement is FALSE regarding the DNA replication?