Plant Structures - AP Biology

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Question

Inside the chloroplast, what is the name of a stack of thylakoids?

Answer

A stack of thylakoids is known as granum. Stroma is the region outside the thylakoid membranes, but still inside the chloroplast. Mitochondria is the organelle that produces ATP, and there is no such organelle called thylakoidum.

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Question

Which of the following structures is unique to plant cells?

Answer

Chloroplasts are organelles in plant cells that conduct photosynthesis; therefore they are unique to plant cells. All the other mentioned organelles can be found in both animal and plant cells.

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Question

Which of the following can be found in plant cells, but not animal cells?

Answer

Chloroplasts, the site of photosynthesis, are only in plant cells and are not found in animal cells. Ribosomes, a cell membrane, and a mitochondria, however, can be found in both animal and plant cells.

The other structure that may be found in plant cells, but not animal cells, is a cell wall.

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Question

Where in the chloroplasts does the Calvin Cycle of photosynthesis take place?

Answer

The Calvin Cycle occurs in the stroma, the aqueous fluid-filled area of the chloroplast. The stroma can be seen as analogous to the cytoplasm of a cell, in that it is the liquid in which all other substructures reside. The other processes of photosynthesis, the light-dependent reactions, take place in the thylakoid, a membrane-bound substructure within the chloroplast.

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Question

Which of the following terms can be described as the green pigment located within chloroplasts?

Answer

Chlorophyll is what gives plants their green color. The chlorophyll located in the chloroplasts captures the light energy that drives the synthesis of food molecules in the chloroplasts—photosynthesis.

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Question

Which of the following best describes where chloroplasts are primarily located?

Answer

Chloroplasts are found mainly in the cells of the mesophyll, which is the tissue in the interior of the leaf. Stomata are the pores that allow carbon dioxide to enter and oxygen to exit the leaf. The stroma is the dense fluid content of the chloroplast.

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Question

What is the organelle in plant cells that contains chlorophyll?

Answer

Chloroplasts are the organelles that contains chlorophyll. Mitochondria produce ATP and are not directly involved in capturing light and photosynthesis. The Golgi apparatus is involved in packaging substances, and Smooth endoplasmic reticulum are involved in lipid production.

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Question

Which process is incorrectly matched with its location?

Answer

During the light dependent reaction, protons are pumped from the thylakoid stroma into the lumen. Then, these protons flow down their electrochemical gradient (from high concentration to low concentration), through the ATP synthase protein, producing ATP.

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Question

Where is chlorophyll located?

Answer

Chlorophyll is used to capture sunlight during the light dependent reaction; the excited electrons then flow down the electron transport chain located on the thylakoid membrane.

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Question

During the light dependent reaction, the proton gradient is established. Where is the concentration of protons the greatest?

Answer

During the light dependent reaction, protons are pumped from the thylakoid stroma into the lumen. Then, these protons flow down their electrochemical gradient (from high concentration to low concentration), through the ATP synthase protein, producing ATP.

Compare your answer with the correct one above

Question

Inside the chloroplast, what is the name of a stack of thylakoids?

Answer

A stack of thylakoids is known as granum. Stroma is the region outside the thylakoid membranes, but still inside the chloroplast. Mitochondria is the organelle that produces ATP, and there is no such organelle called thylakoidum.

Compare your answer with the correct one above

Question

Which of the following structures is unique to plant cells?

Answer

Chloroplasts are organelles in plant cells that conduct photosynthesis; therefore they are unique to plant cells. All the other mentioned organelles can be found in both animal and plant cells.

Compare your answer with the correct one above

Question

Which of the following can be found in plant cells, but not animal cells?

Answer

Chloroplasts, the site of photosynthesis, are only in plant cells and are not found in animal cells. Ribosomes, a cell membrane, and a mitochondria, however, can be found in both animal and plant cells.

The other structure that may be found in plant cells, but not animal cells, is a cell wall.

Compare your answer with the correct one above

Question

Where in the chloroplasts does the Calvin Cycle of photosynthesis take place?

Answer

The Calvin Cycle occurs in the stroma, the aqueous fluid-filled area of the chloroplast. The stroma can be seen as analogous to the cytoplasm of a cell, in that it is the liquid in which all other substructures reside. The other processes of photosynthesis, the light-dependent reactions, take place in the thylakoid, a membrane-bound substructure within the chloroplast.

Compare your answer with the correct one above

Question

Which of the following terms can be described as the green pigment located within chloroplasts?

Answer

Chlorophyll is what gives plants their green color. The chlorophyll located in the chloroplasts captures the light energy that drives the synthesis of food molecules in the chloroplasts—photosynthesis.

Compare your answer with the correct one above

Question

Which of the following best describes where chloroplasts are primarily located?

Answer

Chloroplasts are found mainly in the cells of the mesophyll, which is the tissue in the interior of the leaf. Stomata are the pores that allow carbon dioxide to enter and oxygen to exit the leaf. The stroma is the dense fluid content of the chloroplast.

Compare your answer with the correct one above

Question

What is the organelle in plant cells that contains chlorophyll?

Answer

Chloroplasts are the organelles that contains chlorophyll. Mitochondria produce ATP and are not directly involved in capturing light and photosynthesis. The Golgi apparatus is involved in packaging substances, and Smooth endoplasmic reticulum are involved in lipid production.

Compare your answer with the correct one above

Question

Which process is incorrectly matched with its location?

Answer

During the light dependent reaction, protons are pumped from the thylakoid stroma into the lumen. Then, these protons flow down their electrochemical gradient (from high concentration to low concentration), through the ATP synthase protein, producing ATP.

Compare your answer with the correct one above

Question

Where is chlorophyll located?

Answer

Chlorophyll is used to capture sunlight during the light dependent reaction; the excited electrons then flow down the electron transport chain located on the thylakoid membrane.

Compare your answer with the correct one above

Question

During the light dependent reaction, the proton gradient is established. Where is the concentration of protons the greatest?

Answer

During the light dependent reaction, protons are pumped from the thylakoid stroma into the lumen. Then, these protons flow down their electrochemical gradient (from high concentration to low concentration), through the ATP synthase protein, producing ATP.

Compare your answer with the correct one above

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