TLS Online TPP Program

#Question id: 11254


Character displacement:

#Unit 10. Ecological Principles
  1. Occurs when competing species converge to use similar resources

  2. Refers to the evolution of different species in isolation
  3. Can be identified by comparing populations of competing species in allopatry and sympatry
  4. Only happens in plant populations
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TLS Online TPP Program

#Question id: 13164

#Unit 4. Cell Communication and Cell Signaling

Match the following.

Column I

Column II

Column III

A. G Protein–Coupled Receptors That

Activate PDE

i. cAMP

a. Increase in conversion of glycogen to glucose

B. G Protein–Coupled Receptors That

Activate Adenylyl Cyclase

ii. cGMP

b. Hyperpolarization or depolarization of photoreceptor membrane

C. G Protein–Coupled Receptors That

inhibit Adenylyl Cyclase

iii. DAG

c. activates genes necessary for cell division

D. G Protein–Coupled Receptors

That Trigger Elevations in Cytosolic and

Mitochondrial Calcium

 

d. increase in K+ permeability hyperpolarizes the

membrane

Which one of the following is correct?

TLS Online TPP Program

#Question id: 7301

#Unit 5. Developmental Biology

An Rajasthani hunter was worried about being attacked by grizzly tigers, so he left the lights in his cabin on all the time. Plants near the cabin flowered a month early. Which of the following best explains this?

TLS Online TPP Program

#Question id: 7151

#Unit 5. Developmental Biology

In developmental biology, what is meant by the concept of "growth"?

a) Growth occurs through increases in cell size.

b) Growth occurs through increases in cell number.

c) Growth can result from increases in the volume of extracellular matrix between cells.

d) Cell death is an important determinant of overall growth.

Which of the following is correct?

TLS Online TPP Program

#Question id: 32240

#Unit 2. Cellular Organization

Which one of the following GTPase switch protein activated at the ER membrane?

TLS Online TPP Program

#Question id: 12287

#Unit 10. Ecological Principles

Food chains are sometimes short because