Archaeal and bacterial cells often comprises various inclusion bodies. Inclusion bodies present in a cell can be easily visualized using a light microscope. These inclusions are bounded by a thin membrane, which separates it in the cytoplasm. The chief role of cell inclusions is to serve as carbon reservoirs and/or energy reserves. Storage of carbon molecules in such insoluble form aids in the reduction of osmotic stress.

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 2.8, Problem 1CR

Summary Introduction

Archaeal and bacterial cells often comprises various inclusion bodies. Inclusion bodies present in a cell can be easily visualized using a light microscope. These inclusions are bounded by a thin membrane, which separates it in the cytoplasm. The chief role of cell inclusions is to serve as carbon reservoirs and/or energy reserves. Storage of carbon molecules in such insoluble form aids in the reduction of osmotic stress.

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In the early days of ribosome research, before the exact role of ribosomes was clear, a researcher made the following observation. She could find, in sedimentation experiments on bacterial lysates, not only 3OS, 50S, and 70S particles, but also some particles that sedimented at about 100S and 130S. When she treated such a mixture with EDTA, everything dissociated to 30S and 50S particles. Upon adding divalent ions, she could regain 70S particles, but never 100S or 130S particles. (a) Suggest what the 10oS and 130S particles might represent, in light of cur- rent knowledge of protein synthesis. What important discovery did the researcher miss? (b) Why do you think reassociation to 100S and 130S particles did not work?

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 2.8, Problem 1CR

Summary Introduction

Archaeal and bacterial cells often comprises various inclusion bodies. Inclusion bodies present in a cell can be easily visualized using a light microscope. These inclusions are bounded by a thin membrane, which separates it in the cytoplasm. The chief role of cell inclusions is to serve as carbon reservoirs and/or energy reserves. Storage of carbon molecules in such insoluble form aids in the reduction of osmotic stress.

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Answer 3

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 2.8, Problem 1CR

Summary Introduction

Archaeal and bacterial cells often comprises various inclusion bodies. Inclusion bodies present in a cell can be easily visualized using a light microscope. These inclusions are bounded by a thin membrane, which separates it in the cytoplasm. The chief role of cell inclusions is to serve as carbon reservoirs and/or energy reserves. Storage of carbon molecules in such insoluble form aids in the reduction of osmotic stress.

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Check out a sample textbook solution

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Answer 4

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Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 2.8, Problem 1CR

Summary Introduction