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1a. Why does the nucleus have a double membrane?

B. Why does the mitochondria have a double membrane?

C. Why do chloroplasts have a double membrane?

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Irving Heathcote
Irving HeathcoteLv2
28 Sep 2019

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Related questions

1a)Why do plant cells have mitochondria, but animal cells don’thave chloroplasts? Give a phylogenic explanation.

b)What are four pieces of evidence that would support theacquisition of mitochondria by endosymbiosis?

c) Why do the light reactions of photosynthesis in a plant occur onthe inner membrane of the chloroplast and not on the outermembrane?

d) Why do your cells have 80srRNA, while your mitochondria have70srRNA?

The endosymbiotic theory states that some eukaryotic organelles were once independent prokaryotic organisms that were engulfed by the eukaryote and retained. Mitochondria have several characteristics that offer evidence to support this theory. For each, how does this characteristic support this theory?

a) Mitochondria are surrounded by a double membrane

b) Mitochondria contain a single chromosome that is loop-shaped.

PLEASE HELP! HELP! I HAVE 3 PAPERS THAT I’M WRITING SO INEED HELP WITH THIS ASSIGNMENT!

PLEASE READ THE QUESTIONS CAREFULLY BEFORE ANSWERING.PLEASE INCLUDE A PARENTHETICAL CITATION WHEN YOU REFER TO,SUMMARIZE, OR QUOTE FROM ANOTHER SOURCES. (MICROBIOLOGY) DUE DATE01/27/2019

Type a three-page minimum double spaced paper coveringthe following topics:

  • Compare and contrast gram-positive and gram-negative cellwalls. Discuss clinical implications of these differences(15 points).
  • Compare and contrast prokaryotic and eukaryotic cells. Touch onspecifically the differences in their nucleus, membrane-enclosedorganelles, cell wall, plasma membranes, chromosomes, ribosomes,and cell division. Discuss clinical implications of thesedifferences (15 points).
  • Describe the functions of the following organelles: flagella,cilia, cell wall, plasma membrane, cytoplasm, ribosome, nucleus,smooth endoplasmic reticulum, rough endoplasmic reticulum, golgicomplex, lysosomes, vacuoles, mitochondria, chloroplasts,peroxisomes (25 points).

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