TLS Online TPP Program

#Question id: 826


Which one is incorrect about the proteins with segments rich in Pro (P), Glu (E), Ser (S), and Thr (T), the so-called PEST proteins,

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. It is rapidly degraded

  2. It contain phosphorylation sites that target their proteins for ubiquitination

  3. It undergo reversible monoubiquitination

  4. Ubiquitinated proteins are proteolytically degraded in an ATP-independent process

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TLS Online TPP Program

#Question id: 13140

#Unit 10. Ecological Principles

One summer the moose population on Island was unusually high, and park naturalists noticed signs of malnutrition among the  adults.  The wolf population  was  fairly  low,  near  20.  That  winter,  for  the  first  time  in  many  years,  a substantial  number of seemingly healthy adult moose as well as calves and crippled animals were killed and eaten by wolves. This description is part of a general situation in which the wolf and moose populations

TLS Online TPP Program

#Question id: 13139

#Unit 10. Ecological Principles

The logistic equation above is used to describe the rate of change of a population, N, with time, t, where r is the intrinsic rate of increase and K is the carrying capacity. Which of the following statements is true for this equation?

TLS Online TPP Program

#Question id: 13138

#Unit 10. Ecological Principles

Life-history characteristics associated with K-selected ordgtanisms include K

TLS Online TPP Program

#Question id: 13137

#Unit 10. Ecological Principles

Reproductive value (Vx ) calculated from population life-table data provides a measure of the 

TLS Online TPP Program

#Question id: 13136

#Unit 10. Ecological Principles

The figure below illustrates the relationship between population density in the present generation (Nt) and population equilibrium density of this population in the next generation (Nt+1). The dashed reference line has a slope of 1. Which of the following represents equilibrium density of this population?


TLS Online TPP Program

#Question id: 13134

#Unit 10. Ecological Principles

Which  of  the  graphs  below  represents the  relationship between  population  size  (N)  and  population  growth  rate (dN/dt) for a population showing exponential growth?