Question

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(1 pt each) If the following generally apply to all prokaryotes, write ‘P’. If they apply specifically to eukaryotes, write ‘E”. If they apply primarily to bacteria, write ‘B’, and if they apply primarily to archaea, write ‘A’. If it applies to more than one, include letters it applies to. 1 point each.

___P____6. DNA is organized in usually one large, circular chromosome.

____E___7. Cells contain membrane-bound organelles.

____P&B___8. Cell walls are common and contain some amount of peptidoglycan

____B&A___9. Small, circular pieces of DNA called plasmids, which are easily transferred, can often be found in cells.

____E___10. Ribosomes are found in cells and the entire ribosome size is ‘80S’, based on sedimentation rate.

____B&E___11. Phospholipids that comprise cell membrane feature fatty acids that are linked to glycerol by ester linkages.

__A_____12. Cell walls consist of protein/glycoprotein layer called S layer, pseudomurein layer, or in rare cases, only a slime layer outside of membrane(s).

___B&A____13. Typical shapes include bacilli and cocci.

____E___14. Cells have a cell membrane, DNA, and ribosomes.

_____A__15. Reproduction is asexual, and cells do not undergo mitosis or meiosis.

Answer 1

___P____6. DNA is organized in usually one large, circular chromosome.

____E___7. Cells contain membrane-bound organelles.

B___8. Cell walls are common and contain some amount of peptidoglycan

explaination-cell wall is present in plants,fungi ,prokaryotes,algae,archae but contains peptidoglycan is applicable only to bacteria.

____B&A & E__9. Small, circular pieces of DNA called plasmids, which are easily transferred, can often be found in cells.

explaination-plasmid is a small DNA molecule within a cell that is physically separated from a chromosomal DNA & can replicate independentaly.most commonly found in bacteria,sometimes present in archae and eukaryotic organisms.

____E___10. Ribosomes are found in cells and the entire ribosome size is ‘80S’, based on sedimentation rate.

____B&E___11. Phospholipids that comprise cell membrane feature fatty acids that are linked to glycerol by ester linkages.

__A_____12. Cell walls consist of protein/glycoprotein layer called S layer, pseudomurein layer, or in rare cases, only a slime layer outside of membrane(s).

___B&A____13. Typical shapes include bacilli and cocci.

____E___14. Cells have a cell membrane, DNA, and ribosomes.

____ B &A__15. Reproduction is asexual, and cells do not undergo mitosis or meiosis

explaination- The prokaryotes like only archae & bacteria reproduces asexually i.e. by binary fission.