272018 28. The fact thot beth Anocardium oceidevsole equence posltion 3 is of la

Question

272018 28. The fact thot beth Anocardium oceidevsole equence posltion 3 is of lasy on example of,nole and Mongilera ineios both have DNA b) poraphyly c) convergence e) symplesiomorphy between a G 29. What is the significance of the fact that both sequwence and C DNA nucleotide a) The occurrence of G and C in the respective terminal toxo arove via conver b) The changes involve completely c) Nucleotide base C is more d For all orgonisms in general, G-C changes ore odvced and has a higher likelihoed of transition from other baves for less e None of the explonations given adequately explain Its significonce. 30. Which of the following evolutionary processes provide the best explonations for homoplasy? pr a) Common descent b) Horizontal gene transfer. c) Adaptive radiation. d) Convergent e) More than one of the above. 31, which of the following bacterial structures shore common evolutionary origin with organelles, and provide evidence for Lynn Margulls' Serial Endosymblosis Theory a) Transmembrane proteins of the plasma membrane. b) Thylakoids in cyanocbacteria, endomembranes in proteobacteria d] Peptidoglycan cell wal e) None of the above. 32. In its dual-host life cycde, the malaria parasite Plasmodium vivax undergoes three different phases, each with a very distinct morphology: a sporozoite phase in the gut and salivary glands of the mosquit vector, a merozoite phase that develops in liver cells of the human host, and a gametocyte phose that develops in human red blood cells. Which of the following best explains why the three phases appear so strikingly different? a) Plasmodium vivax itself is a host organism harboring several species of unicellular endoparasitic protists. When Plasmodium is introduced into the bloodstream of human host, it releases the endoparasites, which migrate to the liver and blood cells. b) The genome of Plasmodium vivax contains genes that are expressed differently depending on the c) Plasmodium vivax contains several distinct genomes, each acquired via secondary endosymbiosis and contain genes that encode the proteins that make up each unique developmental form. conditions of the location of the organism, and the timing of the developmental sequence. The genomes are selectively activated depending on the conditions of the location of the orgonis d) All of the explanations are equally plausible in explaining the morphological differences in Plasmodium vivax. e) None of the explanations shown exploin the morpholog al differences in Plasmodium vivax

Explanation / Answer

Q28:- Option D

Explanation:- Homology involves sharing traits such as gene sequence. Thus Anacadium accidentale and Magnifeda indica sharing A at sequence position 3.

Q30:- Option D

Explanation:- Homoplasy is best explained by convergent evolution. Where two or more species look similar in characters.

Q31:- Option B

Explanation:- Thylakoids in cyanobacteria and endomembranes in proteobacteria.

Q32:- Option B

Explanation:- The genome of P. Vivax contains genes that are expressed differently depending on the location of an organism and the timing of developmental sequence.

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