Fishes and their characteristics that distinguish them from other animals. Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

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Answer 1

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Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

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Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

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Imagine that you are a clinical geneticist. Your colleague is an oncologist who wants your help explaining the basics of genetics to their patient, who will be undergoing genetic testing in the coming weeks for possible acute myeloid leukemia (AML) induced by the radiation she had several years ago for breast cancer. Write a 1,050- to 1,225-word memo to your colleague. Include the following in your memo: An explanation of the molecular structure of DNA and RNA, highlighting both similarities and differences A description of the processes of transcription and translation An explanation of the differences between leading and lagging strands and how the DNA is replicated in each strand Reponses to the following common questions patients might ask about this type of genetic testing and genetic disorder: Does AML run in families? What genes are tested for?

Respond to the following in a minimum of 175 words: What are some potential consequences that could result if the processes of replication, transcription, and translation don’t function correctly? Provide an example of how you might explain these consequences in terms that patients might understand.

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Answer 2

Question

Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

Expert Solution & Answer

Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

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Answer 3

Question

Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

Expert Solution & Answer

Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

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Answer 4

Question

Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

Expert Solution & Answer

Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

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Answer 5

Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

Expert Solution & Answer

Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

Answer 6

Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

Expert Solution & Answer

Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

Answer 7

Chapter 24, Problem 1RQ

Summary Introduction

To describe: Fishes and their characteristics that distinguish them from other animals.

Introduction: Around 550 million years ago (mya), that is in the early Paleozoic era, the fishes have appeared first. The fishes approximately comprise around half of 64,000 vertebrate species. Among the living groups of fishes, the five main groups include cartilaginous, lobe-finned, ray-finned fishes, lampreys, and hagfishes.

Answer 8

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Explanation of Solution

The fishes are defined as the aquatic vertebrates having gills as well as appendages in the form of fins. They mainly differ from other animals in their bodies, which is streamlined that allows the fishes to move through the water. They move at angles or forward using the fins. They are capable of maintaining the composition of body fluids in seawater as well as freshwater environments as they have excellent organs for the exchange of water and salt. They have excellent visual as well as olfactory senses. The gills of fishes are very effective in oxygen extraction; even a very low amount of oxygen is present. They also have a lateral-line system and this provides sensitivity to vibrations and water currents.

Answer 9

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Answer 10

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Answer 11

Ch. 24 - Prob. 1RQ Ch. 24 - What evidence suggests that hagfishes and lampreys...Ch. 24 - Describe feeding behavior in hagfishes and...Ch. 24 - Describe the life cycle of sea lampreys,...Ch. 24 - In what ways are sharks well equipped for a...Ch. 24 - What function does the lateral-line system serve?...Ch. 24 - Explain how bony fishes differ from sharks and...Ch. 24 - Prob. 8RQ Ch. 24 - Prob. 10RQ Ch. 24 - Prob. 11RQ

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