TLS Online TPP Program

#Question id: 15448


Stimulation of a single B cell would result in the generation of a clone of cells having_____

#Unit 4. Cell Communication and Cell Signaling
  1. All receptors on a single B cell have shown different  specificity for antigen.
  2. Daughter cells within each clone would not be able to secrete large amounts of antibody to neutralize the pathogen
  3. Clone of cells having the identical receptor as the parental B cell
  4. these clones would migrate to, and function within, the primary as well as secondary lymphoid organs
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TLS Online TPP Program

#Question id: 29047

#Unit 10. Ecological Principles

Homeotherms regulate body temperature by__
a) remain body temp constant
b) Equal the ratio of heat in and heat out
c) Heat in involve convection and conduction 
d) Heat out involve metabolism and solar radiation

TLS Online TPP Program

#Question id: 29048

#Unit 10. Ecological Principles

Many organisms minimize heat loss to the environment via___

TLS Online TPP Program

#Question id: 29049

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;
a. some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins
b. Sodium, potassium, or chloride ions involve to increasing  the blood freezing point, so the lack of these ions some species help to lower the blood freezing point
c. Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold
d. Sodium, potassium or urea function as anti freezing in their blood
e. Glycine causes supercooling in plants
Which of the following statements about supercooling/anti freezing is correct?

TLS Online TPP Program

#Question id: 29050

#Unit 10. Ecological Principles

Which of the following cells can withstand temperatures down to–38°C?

TLS Online TPP Program

#Question id: 29051

#Unit 10. Ecological Principles

Increase in the average body mass of animal population within a species with higher latitude is known as___

TLS Online TPP Program

#Question id: 29052

#Unit 10. Ecological Principles

Allen’s rule states that__