175. What is the main idea of the last paragraph? A. Substances of morphogenic determinants 178. B. The location of morphogenic determinants C. Study of sea urchins by Paul Gross D. Fertilization of eggs 176. Which of the following is NOT the description of morphogenic 179. determinants? A. It controls cells B. It is always active C. It is located in the cytoplasm D. It is heterogeneously distributed 177. The word resolution in Yine 12 is 180. closest in meaning to A. Development B. measure C. bottom D. answer what determine whether an embryo can form two whole embryos? A. The fertilization process B. The embryo activity C. The way the embryo is being cut D. Whetherit is a sea urchin's embryo The word govern in the line 19 is closest in meaning to A. Determine B. Assist C. Change D. follow the word them in line 3 refers to __ A. parts B. stages C. embryos D. biologists

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175. What is the main idea of the last paragraph? A. Substances of morphogenic determinants 178. B. The location of morphogenic determinants C. Study of sea urchins by Paul Gross D. Fertilization of eggs 176. Which of the following is NOT the description of morphogenic 179. determinants? A. It controls cells B. It is always active C. It is located in the cytoplasm D. It is heterogeneously distributed 177. The word resolution in Yine 12 is 180. closest in meaning to A. Development B. measure C. bottom D. answer what determine whether an embryo can form two whole embryos? A. The fertilization process B. The embryo activity C. The way the embryo is being cut D. Whetherit is a sea urchin's embryo The word govern in the line 19 is closest in meaning to A. Determine B. Assist C. Change D. follow the word them in line 3 refers to __ A. parts B. stages C. embryos D. biologists

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Answer 1

Let's break down these questions about morphogenic determinants and embryonic development.

175. What is the main idea of the last paragraph?

To answer this, you'll need the text the questions are referring to. The last paragraph likely discusses the role of morphogenic determinants in embryonic development. Without the text, I can't give you the exact main idea.

176. Which of the following is NOT the description of morphogenic determinants?

* A. It controls cells: This is TRUE. Morphogenic determinants influence cell fate and development.
* B. It is always active: This is likely FALSE. Morphogenic determinants may be activated or deactivated at different stages of development.
* C. It is located in the cytoplasm: This is TRUE. Morphogenic determinants are found within the cytoplasm of cells.
* D. It is heterogeneously distributed: This is TRUE. Morphogenic determinants are often unevenly distributed within the cytoplasm, influencing the development of different parts of the embryo.

Therefore, the answer is B. It is always active.

177. The word resolution in line 12 is closest in meaning to __

Again, we need the context of line 12 to determine the meaning of "resolution." However, based on the context of embryonic development, "resolution" could refer to:

* B. measure: The ability to distinguish between different parts or stages of development.

178. What determine whether an embryo can form two whole embryos?

This question is about the concept of regulative development. Here's the breakdown:

* A. The fertilization process: While fertilization is essential for development, it doesn't directly determine if an embryo can form two whole embryos.
* B. The embryo activity: This is a broad term. The specific activity of the embryo's cells is crucial.
* C. The way the embryo is being cut: This is the key factor. If an embryo is cut at an early stage, and the cells have the ability to regulate their development, it can form two whole embryos. This is called regulative development.
* D. Whether It is a sea urchin's embryo: While sea urchins are often studied for their development, the ability to form two embryos is not specific to sea urchins.

Therefore, the answer is C. The way the embryo is being cut.

179. The word govern in the line 19 is closest in meaning to __

Without the context of line 19, it's difficult to be certain. However, "govern" often implies:

* A. Determine: To have a controlling influence on something.

180. The word them in line 3 refers to __

Again, we need the context of line 3. However, "them" often refers to a previously mentioned group or object. In the context of embryonic development, it could refer to:

* C. embryos: The embryos being studied or discussed.

Important Note: To answer these questions accurately, you need the full text from which they are derived. The context is crucial for understanding the meaning of words and the concepts being discussed.

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