Practice Questions

TLS Online TPP Program

#Question id: 1104

Which of the following statements is true of signal molecules?

#SCPH28 | Zoology

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.

More Questions

TLS Online TPP Program

#Question id: 17922

#SCPH01 Biochemistry

Which of the following algorithms implements “once a gap, always a gap” policy?

TLS Online TPP Program

#Question id: 5015

#SCPH06 I Botany

During which of the following largest mass extinction recorded in the history of life on Earth.

TLS Online TPP Program

#Question id: 9162

#SCPH06 I Botany

If the direction of Earth's rotation reversed, the most predictable effect would be ________.

TLS Online TPP Program

#Question id: 9594

#SCPH05 I Biotechnology

The first reaction that converts electron energy into chemical energy—What will happened in the primary photochemical event—

TLS Online TPP Program

#Question id: 3546

#SCPH12 I Genetics

What is the probability of getting three children with same sex from parents?