Practice Questions

TLS Online TPP Program

#Question id: 1104

Which of the following statements is true of signal molecules?

#SCPH06 I Botany

When signal molecules first bind to receptor tyrosine kinases, the receptors phosphorylate a number of nearby molecules.
In response to some G protein-mediated signals, a special type of lipid molecule associated with the plasma membrane is cleaved to form IP3 and calcium.
In most cases, signal molecules interact with the cell at the plasma membrane, enter the cell, and eventually enter the nucleus.
Protein kinase A activation is one possible result of signal molecules binding to G protein coupled receptors.

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TLS Online TPP Program

#Question id: 12376

#SCPH28 | Zoology

All of the following may be considered as sites for secondary succession EXCEPT

TLS Online TPP Program

#Question id: 12564

#SCPH06 I Botany

A prime factor promoting the adaptive radiation of Darwin's finches on the Galapagos Islands was the

TLS Online TPP Program

#Question id: 12565

#SCPH06 I Botany

If we say a species is endemic to a certain area, we mean that

TLS Online TPP Program

#Question id: 12566

#SCPH06 I Botany

Forests with a high density of native conifer trees are found in:

TLS Online TPP Program

#Question id: 12567

#SCPH06 I Botany

Which of the following is true about the current research about forest fragmentation?

TLS Online TPP Program

#Question id: 12568

#SCPH06 I Botany

Which of the following would a landscape ecologist consider in designing a nature reserve?