The photosynthetic process occurs in the chloroplast, where chlorophyll absorbs light during light dependent reactions, and sugars are synthesized during light-independent reactions. 1.B). 2.A). 3.C) 4.D)
Chloroplast
- The chloroplasts are plant cell's organelles in charge of photosynthesis.
- They carry photosynthetic pigments which are closely involved in photosynthetic light-dependent reactions, during which they absob light.
- When sunlight reaches the pigments, electrons get excited and move along the electron transport chain, placed in the thylakoid membrane.
- This process occurs during photosynthesis, while new electrons provided by water molecules replace the excited ones.
Chlorophyll
- During the photosynthetic process, plants use pigments to absorb sunlight and fixate carbon dioxide.
- Stem, flowers, and other tissue have different pigments in their cells that define the organ's colors.
- Chlorophyll is the most common pigment, which provides the typical green color of plants.
- Chlorophyll molecule captures luminous energy from the sun. The pigment absorbs light, exciting the electrons in the electron transporter chain.
Photosynthesis
- Photosynthesis occurs in chloroplasts
- The photosynthetic process needs solar radiation to produce organic compounds using CO₂ and electrons from water.
- During light-dependent reactions, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions.
- Light-independent reaction is known as the Calvin cycle, and it takes place in the stroma, where sugars or carbohydrates are synthesized.
Glucose
- Glucose is the most abundant carbohydrate. The main source of glucose is vegetable starch.
- The principal source of energy used by organisms and their cells is glucose.
- Chemical energy is stored in glucose, which is degraded by cells causing energy release.
According to this framework, we can match the term and description as follows,
- Chloroplast
- Chlorophyll
- Glucose
- Photosynthesis
A) A green pigment present in all plants that absorbs light to provide energy for photosynthesis
B) An organelle that contains chlorophyll and in which photosynthesis takes place
C) A type of sugar that is produced during photosynthesis to store chemical energy
D) A process that uses sunlight to synthesize foods from carbon dioxide and water
- Chloroplast ⇒ An organelle that contains chlorophyll and in which photosynthesis takes place
- Chlorophyll ⇒ A green pigment present in all plants that absorbs light to provide energy for photosynthesis
- Photosynthesis ⇒ A process that uses sunlight to synthesize foods from carbon dioxide and water
- Glucose ⇒A type of sugar that is produced during photosynthesis to store chemical energy
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