Under moderate excess light Quantum efficiency decreases , but the maximum photosynthetic rate remains unchanged and caused by the diversion of absorbed light energy toward heat dissipation—hence the decrease in quantum efficiency this term is known as

TLS Online TPP Program

#Question id: 24548

#Unit 9. Diversity of Life Forms

Many phenotypic traits are genetically variable within species, they can readily evolve by

a. natural selection

b. adaptation

c. genetic drift

d. mutation

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#Question id: 704

#Unit 1. Molecules and their Interaction Relevant to Biology

The structural classification of proteins (based on motifs) is based primarily on their:

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#Question id: 8287

#Unit 9. Diversity of Life Forms

The following phylogeny shows six living species (a-f) and five ancestral (now extinct) species (#1-5). If the phylogeny had been developed on the basis of similarities in bone structure, which of the following predictions would you make in terms of the structure of a particular enzyme?

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#Question id: 2663

#Unit 2. Cellular Organization

A ______________ is a collection of clones that, among themselves, contain all the DNA sequences of the organism.

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#Question id: 10217

#Unit 6. System Physiology – Plant

Another effect that appears to be a major factor in the stability of the photosynthetic apparatus, which occurs when excess excitation arriving at the PSII reaction center leads to its inactivation and damage is known as