If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, all of the following marine communities most likely would be greatly affected except

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#Question id: 3777

#Unit 3. Fundamental Processes

Which of the following types of cells are affected most by telomere shortening?

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#Question id: 3331

#Unit 11. Evolution and Behavior

Which one of the following statements is INCORRECT?

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#Question id: 28888

#Unit 4. Cell Communication and Cell Signaling

Axin is___

a)tumor suppressor protein

b)Proto oncoproteins

c)Cancer causing protein

d)Scaffold proteins

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#Question id: 14906

#Unit 6. System Physiology – Plant

The specific linkages between sugar rings, including the specific carbons that are linked together and the configuration of the linkage, are important for the properties of the polysaccharide;

           

          I) Amylose                          a) β(1,3)-linkages                               

        II) Cellulose                          b) β (1,4)-linkages

         III) Callose                                   c) α(1,4)-linked

                                                             d) α (1,3)-linkages

Which of the following linkage combinations is correct linkages of the polysaccharides?

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#Question id: 1136

#Unit 4. Cell Communication and Cell Signaling

Which of the following signaling pathways can be activated by activation of receptor tyrosine kinases?

a. phospholipase Cγ                b. PI-3 kinase

c. MAP kinase                         d. none of the above