The major motor portion of the flagellum is the axoneme, a structure formed by microtubules emanating from the centriole at the base of the sperm nucleus. These microtubules are made exclusively of the dimeric protein-

TLS Online TPP Program

#Question id: 12012

#Unit 10. Ecological Principles

The average daily temperature change on an exposed south-facing slope and a north-facing slope for a late summer day in the Northern Hemisphere are shown below.

Compared with a south-facing slope, the climatic conditions on a north-facing slope favour the formation of a vegetation community best adapted to

TLS Online TPP Program

#Question id: 12013

#Unit 10. Ecological Principles

The average daily temperature change on an exposed south-facing slope and a north-facing slope for a late summer day in the Northern Hemisphere are shown below.

The difference in the  maximum average daily  temperature between the  south-facing slope  and  the  north-facing slope is approximately

TLS Online TPP Program

#Question id: 12014

#Unit 10. Ecological Principles

The receptive surface for pollen on an angiosperm flower is the

TLS Online TPP Program

#Question id: 12015

#Unit 10. Ecological Principles

The oxygen consumption of marine crabs acclimated to either 10°C or 20°C was measured at environmental temperatures of 5°C to 25°C to produce the following graph.

Which of the following can be correctly concluded from the information in the graph?

TLS Online TPP Program

#Question id: 12016

#Unit 10. Ecological Principles

The ability of a desert rodent's kidneys to form highly concentrated urine is largely attributable to

TLS Online TPP Program

#Question id: 12017

#Unit 10. Ecological Principles

All of the following allow hermaphroditic animal species to avoid inbreeding EXCEPT