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- 1.List down some fundamental characteristics that are common to ALL cells and fundamental functions that are common to ALL cells. 2.Provide five key comparisons between the structure of prokaryotic and eukaryotic cells. 3.Compare/contrast the following mechanisms of prokaryotic and eukaryotic cells in terms of: •Reproduction •Locomotion •Metabolism1. The production of arginine is terminated by the presence of excess arginine. State which phenomenon is responsible for this outcome. Explain the phenomenon in brief. 2. Suppose, a group of scientists developed a recombinant enzyme having mutations in its active site. Do you think, the activity of an enzyme would differ from the wild type? 3. Which part of the cell has a model structure of a fluid mosaic? Why do you think this happens?12. The theory of endosymbiosis posits that mitochondria became organelles in eukaryotes after an engulfment event leading to a symbiotic relationship that was maintained throughout evolutionary history. What evidence supports the theory of endosymbiosis? a. Mitochondria have their own DNA b. Mitochondrial ribosomes are similar in shape and size to prokaryotic I ribosomes c. The presence of the double membrane surrounding mitochondria d. All of the above
- 1. Based on the presented properties of life, why are viruses considered non-living? 2. How do plants and animals are alike and are different in terms of ensuring their survival and adaption?5. Molecular Evidence. Cytochrome c is a protein located in the mitochondria of cells involved with cellular respiration. Compare each organism's Cytochrome CDNA sequences with the ancestor cell and each other. Circle or highlight the differences (mutations) present in the cytochrome CDNA sequences from ancestor cell. ANCESTOR CE A T TAGCGAC CAGTATATC CTACAATC C G T C TACTTCATTO ATTAGCGACCAGTT TATCCTACAATCC c GTCT ACT TCAT ATTATCG ACCAGT T TATC CTACATTCCC G TATACT TCGT EARTHWOR C T TATCGACC cGT T TAT CCTACATTCCCGT CT ACTTCG T CGTT TATCCTACTTTC C c GTC TACTTC GT CGTTTATCCTACT TTC c cGT C TACTTCG T KANGAROO CTAATC C C cc cGT T TAT C cT ACT T TCCCAT CT ACTAAGT CGT T TATCCTACTT TC C CATGTAGTAA GT GTTTATCCTACTTT CCCATCTACT A A GT АМОЕВА SPONGE CTTATC C C CTAATC c c SHARK LIZARD CTAATC C c |TTAATC DOLPHIN CAT 6. Create a Venn Diagram to show the relatedness of these organisms. Start with the trait that is shared by all the organisms on the outside. Inside each box, write the organisms that…1. Viruses that do not have a lipid envelope tend to remain infectious outside the body longer than enveloped viruses. “Naked” viruses are also less likely to be rendered harmless by soap and water. Why? 2. The apicomplexan that causes malaria has a photosynthetic ancestor and contains an organelle that evolved from its ancestral chloroplast. The organelle no longer functions in photosynthesis, but it does carry out some essential metabolic tasks. Why would targeting this organelle yield an antimalarial drug that would be likely to have minimal side effects?
- 5. Molecular Evidence. Cytochrome c is a protein located in the mitochondria of cells involved with cellular respiration. Compare each organism's Cytochrome CDNA sequences with the ancestor cell and each other. Circle or highlight the differences (mutations) present in the cytochrome CDNA sequences from ancestor cell. ANCESTOR CE A TTAGCGACCAGTATATCC TACA ATC CGT CTACTTCATTO GT CTACT T CAT GTATA CTT CGT CTACT TC GT CTACTTCGT CTACTT CGT CTACT A AGT GT TTAT CCTACTTTCCC ATGTAGTA AGT CTACT A AGT AMOEBA ATTAGCG A A GTTT ATCCT A CA ATC C ATTAT C G AGTTT ATC CT ACATTC C CG T T TAT CCTACATTC C GT T TATC CTACTTT C C SPONGE EARTHWORN CT TAT C G G SHARK CTTATC TTTATC CTACTTTC GTTTATC CTACTTTC C LIZARD CTA AT KANGAROO CT A ATC DOLPHIN CTAATC CAT TTA AT TTTATCC TACT TT C CC A GGAA < 이 이이이 c6. Would the following ancestral cell have been a prokaryote or an early eukaryote? Briefly explain your answer. |5. Molecular Evidence. Cytochrome c is a protein located in the mitochondria of cells involved with cellular respiration. Compare each organism's Cytochrome CDNA sequences with the ancestor cell and each other. Circle or highlight the differences (mutations) present in the cytochrome CDNA sequences from ancestor cell. ANCESTOR CELL A T T AG C G A CCAGTATA T C C TAC A A T C C G TCTAC T T CATTO ATTAGCG A CCA GT TT AT C CTACA ATC C C G T CTACTT CAT11 ATTAT c G AC C A GT TT AT CCT ACATT CC c G TATACTTC GT 14 АМОЕВА SPONGE EARTHWORM C T TAT C G A C c c G TT T ATC CTACA TT C C c GT CT A CTT CGT CTTAT Cc ccc CGTTTATCCTACTTTCCCGT CT A CTTCGT CT A AT c cccc c GT T T ATC CTACT TTCCC G T CT A CTT CGT CT A AT c c ccc c G T T T AT C CTA CTT T C C CATCTACTA CTA AT ccc c c c GT T TATCCTACT TT C C CAT GT AGTA TAAT Ccc c c c GT T T AT c CTACT TT C C CATCTACTAAGT SHARK LIZARD KANGAROO GT DOLPHIN GT СAT 6. Create a Venn Diagram to show the relatedness of these organisms. Start with the trait that is…
- IStructureSE Add-ons Help Last edit was seconds ago Arial 8. BIU A 1 1 2 3 4 6 Match: Read about each organelle. Then match each organelle to its function/description. Capsule A. Hair-like structure that the cell uses for movement. Nucleoid B. Hair-like structure that attaches the cell to a surface and can transfer genetic material from one cell to another. C. Region inside the cell that contains genetic material but is not surrounded by a nuclear membrane. Plasmid Flagellum D. Outermost layer of the cell that provides protection. Pilus E. Circular piece of genetic material. Cempare Wh hecterialcell animal coll23. The Endosymbiont Theory suggests that some cell organelles may have arisen when a prokaryotic cell was phagocytosed by a primitive eukaryotic cell, but not digested. A symbiotic relationship arose between the two cells, since such cells had a selective advantage, and the cells became extremely successful giving rise to modern eukaryotic cells. Name a structural feature of such organelles that may be a holdover from their origin. What specific organelles might have arisen in this way?12. Below is a diagram of a cell. Which of the following is true? a. The cell is a plant cell, structure 1 is a cell wall and structure 2 is a vacuole b. The cell is an animal cell, structure 1 is a cilia and structure 2 is a vacuole c. The cell is an animal cell, structure 1 is a cilia and structure 2 is a nucleus d. The cell is a plant cell, structure 1 is a cell wall and structure 2 is a nucleus