Gen Bio - Chloroplast

Pigments

Light from the sun is absorbed by colorful compounds called _________________

Chloroplast

is an organelle found in plant cells that is responsible for photosynthesis

• Outer Membrane

• Inner Membrane

• Thylakoid

• Stroma

• Granum

The Structure of Chloroplast

Outer Membrane

Is highly permeable to ions and solutes

Inner Membrane

Regulates the passage of materials in and out of the chloroplast

Thylakoid

• Flattened, disc-shaped membranous sacs suspended within the stroma

• Their membranes contain chlorophyll and other pigments

Thylakoid

The primary function is to capture light energy from the sun

Stroma

Is the fluid that fills the inner space of the chloroplasts and surrounds the grana and thylakoids

Stroma

It is where light-independent reactions of photosynthesis occurs

Granum

Is a stack of thylakoid disc

Granum

The function of a ___________ is to act as a site for the light-dependent reactions of photosynthesis

Chlorophyll pigment

in leaves helps make photosynthesis happen by absorbing light energy from the sun to put together carbon dioxide nd water to form glucose or food

Chlorophyll

Is a green pigment found in plants and other photosynthetic organisms

Chlorophyll

It is absolutely essential for photosynthesis, the process by which light energy is converted into chemical energy

Visible light spectrum

Is the section of the electromagnetic radiation spectrum that is visible to the human eye

Chlorophyll a

The Primary Pigment

The Primary Pigment

Chlorophyll a is the ___________

Chlorophyll a

a type of chlorophyll that absorbs light energy from the sun, primarily in the blue and red wavelengths and reflects dark green color

• blue

• red

Chlorophyll a absorbs ____ and ____ wavelengths

dark green

Chlorophyll a reflects ________

Accessory Pigment

Pigments that assist the primary pigment in capturing sunlight for photosynthesis

• Chlorophyll B

• Carotenoid

• Flavonoids

• Anthocyanins

Examples of Accessory pigments include:

Chlorophyll B

Complements Chlorophyll a function by absorbing light in a different range of wavelengths

Chlorophyll B

Highly efficient at absorbing blue and yellow-green light, which chlorophyll a absorbs less efficiently

blue

Chlorophyll B absorbs

yellow-green

Chlorophyll B reflects

Carotenoids

They are responsible for the bright yellow, orange, and red colors found in many fruits, vegetables, and flowers

• blue

• green

Carotenoids absorb light in wavelengths __________

Vitamin A

carotenoids is a source of high concentration of ________ which is crucial for vision, immune function, and overall health of human

Flavonoid

Responsible for the reflection of yellow, red, and purple colors of many fruits, flowers, and vegetables

• Yellow

• Red

• Purple

Flavonoid is responsible for the reflection of ____________________

UV light

Flavonoid act as protective shield for plants cells by absorbing ____________

pollinators

The colors produced by flavonoids in flower help attract ____________

Anthocyanins

• Are water-soluble pigments found in the vacuole of plant cell

• Responsible for red, purple, and blue colors in various parts of plants