To compare: The structure of planarian and earthworm with regard to their: digestive tract, body cavity and the segmentation. Concept introduction: The Planaria is a flatworm that is included in phylum Platyhelminthes . They have no body cavity as they are flat. They resemble ribbon shape and are about 1mm to 20 m. They have incomplete digestive system . They show bilateral symmetry. Many species of flatworms are parasitic in nature. The flatworms are bilaterally symmetrical animals. The Earthworm is included in phylum Annelida which is the group of animals that are included in the invertebrates. These are the true segmented worms that have flexible body and no hard skeleton is present in their body. They have closed circulatory system, small brain, nervous system and excretory system. They do not have legs. Their body cavity is filled with coelom. Their size range from 1 mm to 3 m. They are found in various habitats like in soil, at the bottom of the ocean or in fresh waters.

Question

Amino Acid Coclow TABle 3' Gly Phe Leu (G) (F) (L) 3- Val (V) Arg (R) Ser (S) Ala (A) Lys (K) CAG G Glu Asp (E) (D) Ser (S) CCCAGUCAGUCAGUCAG 0204 C U A G C Asn (N) G 4 A AGU C GU (5) AC C UGA A G5 C CUGACUGACUGACUGAC Thr (T) Met (M) lle £€ (1) U 4 G Tyr Σε (Y) U Cys (C) C A G Trp (W) 3' U C A Leu בוט His Pro (P) ££ (H) Gin (Q) Arg 흐름 (R) (L) Start Stop 8. Transcription and Translation Practice: (Video 10-1 and 10-2) A. Below is the sense strand of a DNA gene. Using the sense strand, create the antisense DNA strand and label the 5' and 3' ends. B. Use the antisense strand that you create in part A as a template to create the mRNA transcript of the gene and label the 5' and 3' ends. C. Translate the mRNA you produced in part B into the polypeptide sequence making sure to follow all the rules of translation. 5'-AGCATGACTAATAGTTGTTGAGCTGTC-3' (sense strand) 4

Answer 1

Question

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 18, Problem 17TYK

Summary Introduction

To compare: The structure of planarian and earthworm with regard to their: digestive tract, body cavity and the segmentation.

Concept introduction: The Planaria is a flatworm that is included in phylum Platyhelminthes. They have no body cavity as they are flat. They resemble ribbon shape and are about 1mm to 20 m. They have incomplete digestive system. They show bilateral symmetry. Many species of flatworms are parasitic in nature. The flatworms are bilaterally symmetrical animals.

The Earthworm is included in phylum Annelida which is the group of animals that are included in the invertebrates. These are the true segmented worms that have flexible body and no hard skeleton is present in their body. They have closed circulatory system, small brain, nervous system and excretory system. They do not have legs. Their body cavity is filled with coelom. Their size range from 1 mm to 3 m. They are found in various habitats like in soil, at the bottom of the ocean or in fresh waters.

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Amino Acid Coclow TABle 3' Gly Phe Leu (G) (F) (L) 3- Val (V) Arg (R) Ser (S) Ala (A) Lys (K) CAG G Glu Asp (E) (D) Ser (S) CCCAGUCAGUCAGUCAG 0204 C U A G C Asn (N) G 4 A AGU C GU (5) AC C UGA A G5 C CUGACUGACUGACUGAC Thr (T) Met (M) lle £€ (1) U 4 G Tyr Σε (Y) U Cys (C) C A G Trp (W) 3' U C A Leu בוט His Pro (P) ££ (H) Gin (Q) Arg 흐름 (R) (L) Start Stop 8. Transcription and Translation Practice: (Video 10-1 and 10-2) A. Below is the sense strand of a DNA gene. Using the sense strand, create the antisense DNA strand and label the 5' and 3' ends. B. Use the antisense strand that you create in part A as a template to create the mRNA transcript of the gene and label the 5' and 3' ends. C. Translate the mRNA you produced in part B into the polypeptide sequence making sure to follow all the rules of translation. 5'-AGCATGACTAATAGTTGTTGAGCTGTC-3' (sense strand) 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 18, Problem 17TYK

Summary Introduction

To compare: The structure of planarian and earthworm with regard to their: digestive tract, body cavity and the segmentation.

Concept introduction: The Planaria is a flatworm that is included in phylum Platyhelminthes. They have no body cavity as they are flat. They resemble ribbon shape and are about 1mm to 20 m. They have incomplete digestive system. They show bilateral symmetry. Many species of flatworms are parasitic in nature. The flatworms are bilaterally symmetrical animals.

The Earthworm is included in phylum Annelida which is the group of animals that are included in the invertebrates. These are the true segmented worms that have flexible body and no hard skeleton is present in their body. They have closed circulatory system, small brain, nervous system and excretory system. They do not have legs. Their body cavity is filled with coelom. Their size range from 1 mm to 3 m. They are found in various habitats like in soil, at the bottom of the ocean or in fresh waters.

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Answer 3

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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 18, Problem 17TYK

Summary Introduction

To compare: The structure of planarian and earthworm with regard to their: digestive tract, body cavity and the segmentation.

Concept introduction: The Planaria is a flatworm that is included in phylum Platyhelminthes. They have no body cavity as they are flat. They resemble ribbon shape and are about 1mm to 20 m. They have incomplete digestive system. They show bilateral symmetry. Many species of flatworms are parasitic in nature. The flatworms are bilaterally symmetrical animals.

The Earthworm is included in phylum Annelida which is the group of animals that are included in the invertebrates. These are the true segmented worms that have flexible body and no hard skeleton is present in their body. They have closed circulatory system, small brain, nervous system and excretory system. They do not have legs. Their body cavity is filled with coelom. Their size range from 1 mm to 3 m. They are found in various habitats like in soil, at the bottom of the ocean or in fresh waters.

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Answer 4

Question

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 18, Problem 17TYK

Summary Introduction