Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 28, Problem 3A

Summary Introduction

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Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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1) Look at the ideal results. Were your predictions accurate, and how did they compare with your results? 2) You used aseptic technique during this lab. Why is it important to work in a sterile manner when working with bacteria in the lab? 3) Why are the cells incubated at 42°C?

Overview of Transformation Protocol -Prepare competent bacteria for transformation: Treat starter E. coli bacteria with CaCl2and Competent Cell Solution (CCS). Store on ice until transformation procedure. Competent cells are cells that are likely to take up foreign DNA and be transformed. This step increases the likelihood that the E. coli cells will take up the introduced vector and be transformed. -Transformation procedure: Obtain two microcentrifuge tubes containing your competent cells. Label one tube +DNA and one -DNA. Add CaCl2 to both tubes. Add the transformation mix containing the plasmid DNA to the tube labeled +DNA. Do not add any plasmid DNA to the -DNA tube. Incubate both tubes on ice for 10 minutes. Then, place both tubes in a 42\deg C water bath for 45 seconds. Replace the tubes in an ice bucket for 2 minutes. Add recovery broth to both tubes. Incubate both tubes in a 37 C water bath for 5 minutes. Questions: 1) What differences would you expect to see between the…

Overview of Transformation Protocol -Prepare competent bacteria for transformation: Treat starter E. coli bacteria with CaCl2and Competent Cell Solution (CCS). Store on ice until transformation procedure. Competent cells are cells that are likely to take up foreign DNA and be transformed. This step increases the likelihood that the E. coli cells will take up the introduced vector and be transformed. -Transformation procedure: Obtain two microcentrifuge tubes containing your competent cells. Label one tube +DNA and one -DNA. Add CaCl2 to both tubes. Add the transformation mix containing the plasmid DNA to the tube labeled +DNA. Do not add any plasmid DNA to the -DNA tube. Incubate both tubes on ice for 10 minutes. Then, place both tubes in a 42\deg C water bath for 45 seconds. Replace the tubes in an ice bucket for 2 minutes. Add recovery broth to both tubes. Incubate both tubes in a 37 C water bath for 5 minutes. Questions: 1)What is the selectable marker in this experiment? How…

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 28, Problem 3A

Summary Introduction

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 28, Problem 3A

Summary Introduction

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Answer 4

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Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

Chapter 28, Problem 3A

Summary Introduction

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Chapter 28, Problem 3A

Summary Introduction

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

Answer 6

Chapter 28, Problem 3A

Summary Introduction

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

Answer 7

Chapter 28, Problem 3A

Summary Introduction

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

Answer 8

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Ch. 28.1 - Prob. 1CYP Ch. 28.1 - Explain the colonial flagellate hypothesis about...Ch. 28.1 - Prob. 3CYP Ch. 28.1 - Prob. 4CYP Ch. 28.2 - 1. List three ways in which cnidarians are more...Ch. 28.2 - Prob. 2CYP Ch. 28.2 - Prob. 3CYP Ch. 28.2 - Prob. 4CYP Ch. 28.3 - Prob. 1CYP Ch. 28.3 - Prob. 2CYP

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Chapter 28 Solutions

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Introduction: Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.

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Chapter 28 Solutions

Introduction:

Animals are separated into two major divisions; protostomes and deuterostomes. The major difference between protostomes is which end of the digestive system develops first, the anus or the mouth.