Ecologist has proposed following explanation to lead biodiversity at tropic.

a) Higher productivity in the tropics allows for more species

b)  Environments are more stable and predictable in the tropics, with fairly constant temperatures and rainfall levels year-round

c) Predators and pathogens limit competition in the tropics, which allows more species to coexist

d) High evolutionary speed at tropic than temperate

TLS Online TPP Program

#Question id: 3842

#Unit 3. Fundamental Processes

Which of the following statements correctly describes the difference between the leading strand and the lagging strand in DNA replication?

TLS Online TPP Program

#Question id: 328

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following interaction occurs between a permanent dipole and a neutral molecule?

TLS Online TPP Program

#Question id: 2614

#Unit 2. Cellular Organization

Effects in synthesis, if replaces trp codons with different amino acids;

His concentration low	Run/ On
Ala concentration High	Off

TLS Online TPP Program

#Question id: 12058

#Unit 7. System Physiology – Animal

A 45-year-old man presents with abdominal pain and hematemesis. An abdominal exam was relatively benign, and abdominal x-rays were suggestive of a perforated viscus. Endoscopy revealed a chronically perforated gastric ulcer, through which the liver was visible. Which of the following is a forerunner to gastric ulcer formation?

TLS Online TPP Program

#Question id: 1354

#Unit 4. Cell Communication and Cell Signaling

Calcium-dependent adhesion is to the cadherins as calcium-independent adhesion is to the    ?    .