Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Question

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Answer 1

Question

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.

Conclusion

At relatively constant levels, the constitutive genes are expressed at all times.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

Answer 2

Question

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.

Conclusion

At relatively constant levels, the constitutive genes are expressed at all times.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.

Conclusion

At relatively constant levels, the constitutive genes are expressed at all times.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.

Conclusion

At relatively constant levels, the constitutive genes are expressed at all times.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.

Conclusion

At relatively constant levels, the constitutive genes are expressed at all times.

Answer 6

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.

Conclusion

At relatively constant levels, the constitutive genes are expressed at all times.

Answer 7

Chapter 13, Problem 1TY

Summary Introduction

Introduction: Genes are the segment of DNA that are referred to as a basic functional and physical unit of hereditary. Some genes contain information that helps in the synthesis of proteins.

Answer 8

Expert Solution & Answer

Answer to Problem 1TY

Correct answer: The constitutive genes are expressed at a relatively constant level at all times. Hence, the correct answer is option d.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for correct answer:

Constitutive genes are also known as housekeeping genes and are required for maintaining the basic cellular functions. Under normal conditions, the constitutive genes are expressed in all the cells of the body at a constant level. The products of constitutive genes support the basic biochemical processes in the cell.

Option d. is given as, “constitutive”.

The genes that are expressed at a relatively constant level at all times are known as constitutive genes. Hence the correct answer is option d.

Reasons for incorrect answer:

Option a. is given as, “inducible”.

Inducible genes are also known as facultative genes, and are only needed as an opposition to a constitutive gene. Hence, option a. is incorrect.

Option b. is given as, “repressible”.

Repressible genes are only required during the growth and maintenance of cell. Hence, option b. is incorrect.

Option c. is given as, “positive”.

Positive genes are not present in the cells of an organism. Hence, option c. is incorrect.

Option e. is given as, “structural”.

Structural genes help in the construction of cellular structures like organelles and membrane. The RNA products of structural genes are not involved in the regulation of the cell. Hence, option e. is incorrect.

Hence, the options a., b., c., and e. are incorrect.