Following gastrulation, the cells that have folded inward develop into a. endoderm. b. ectoderm. c. mesoderm. d. All of these are correct.

Question

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Answer 1

Textbook Question

Chapter 17, Problem 1MCQ

Following gastrulation, the cells that have folded inward develop into

a.	endoderm.
b.	ectoderm.
c.	mesoderm.
d.	All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The cells that have folded inward develop into endoderm following gastrulation. Thus, the correct option is a.

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During morphogenesis, gastrulation does which of the following?A. Gastrulation produces the ectoderm through formation of a blastocyst.B. Gastrulation produces the mesoderm to form the lining of the digestive tract.C. Gastrulation provides the mechanisms whereby cells can form the neural tube.D. Gastrulation produces the endoderm through invagination of the blastula.

Answer 2

Textbook Question

Chapter 17, Problem 1MCQ

Following gastrulation, the cells that have folded inward develop into

a.	endoderm.
b.	ectoderm.
c.	mesoderm.
d.	All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The cells that have folded inward develop into endoderm following gastrulation. Thus, the correct option is a.

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Answer 3

Textbook Question

Chapter 17, Problem 1MCQ

Following gastrulation, the cells that have folded inward develop into

a.	endoderm.
b.	ectoderm.
c.	mesoderm.
d.	All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The cells that have folded inward develop into endoderm following gastrulation. Thus, the correct option is a.

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Answer 4

Textbook Question

Chapter 17, Problem 1MCQ

Following gastrulation, the cells that have folded inward develop into

a.	endoderm.
b.	ectoderm.
c.	mesoderm.
d.	All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The cells that have folded inward develop into endoderm following gastrulation. Thus, the correct option is a.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The cells that have folded inward develop into endoderm following gastrulation. Thus, the correct option is a.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The cells that have folded inward develop into endoderm following gastrulation. Thus, the correct option is a.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

Gastrulation is the process of embryonic development in which the blastula develops into gastrula. Gastrula is a cup shaped structure which consists of 3 tissue layers. The germ layer of gastrula gives rise to all of the body’s tissues and organs.

Answer 12

Answer to Problem 1MCQ

Correct answer:

Following gastrulation, the cells that have folded inward develop into endoderm. Hence, the correct answer is options a.

Answer 13

Explanation of Solution

Reason for correct answer:

Option a. is given as, “endoderm.”

The gastrula is made of three layers, in which the innermost is the endoderm that becomes the digestive tract and the internal organs. The cells folding inwards develop into endoderm layer of the gastrula. Hence, option a. is correct.

Hence, the option a. is correct

Reason for incorrect answers:

Option b. is given as, “ectoderm.”

Ectoderm is the outer tissue layer of the gastrula which develops into skin and nervous system. The cells that fold inwards do not form ectoderm. Hence, option b. is incorrect.

Option c. is given as, “mesoderm.”

Mesoderm is the tissue layer that forms between the ectoderm and endoderm. This layer gives rise to muscles, bones, circulatory system, and other specialized structures. It does not develop when the cells fold inward. Hence, option c. is incorrect.

Option d. is given as, “all of these are correct.”

The cells that fold inwards only develop into endoderm, not ectoderm or mesoderm. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.