Plant cells only Flashcards

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1
Q

Structures of only plant cells

A

Chloroplast, central vacuole, and cell walls

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2
Q

Chloroplast

A

Sit of photosynthesis

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3
Q

Plastids

A

A family of organelles including the chloroplast, amyloplast, and chromoplast. They include DNA genomes, can express their genes and make proteins

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4
Q

Amyloplast

A

colorless and stores starch. Occurs in great numbers in roots and tubers of some plants

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5
Q

Proteins are both…

A

Made by plastid genomes and made by the nuclear genes and transported

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6
Q

Chloroplast apperance

A

Lens shaped, and has smooth inner and outer boundary membranes that enclose the stroma

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7
Q

Stroma

A

The inner compartment of the chloroplast. Includes a third membrane called the thylakoid

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8
Q

Thylakoid

A

Flattened closed disks

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9
Q

Grana

A

Structures make from stacked thylakoids in tall plants

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10
Q

Thylakoid membrane

A

Contains molecules that absorb light and convert it to chemical energy

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11
Q

Chlorophyll job

A

It is the primary molecule in light absorption. Is green

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12
Q

Energy to food progression

A

Enzymes in the stroma use the energy to make carbs and organic molecules from CO2 and H2O

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13
Q

Chloroplast stroma

A

Contains DNA and ribosomes similar to photosynthetic bacteria (in their mitochondria)

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14
Q

Central vacuole

A

Takes up to 90% of the cells space, and provides structure to the cell

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15
Q

Tonoplast

A

Membrane around the central vacuole. Includes transport proteins and grows to increase the pressure of the central vacuole

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16
Q

Jobs of the central vacuole

A

Store salts, organic acids, sugar, protein pigments, and waste
Has enzymes that function like lysosomes
Chemical defenses against pathogens

17
Q

Pigments

A

Produce colour in flowers

18
Q

Cell wall

A

Extracellular, provides structure for a cell by keeping the central vacuoles pressure, protects against bacteria and fungi

19
Q

Extracellular

A

Occurs on the outside of the cell

20
Q

Cell wall is made of…

A

Cellulose fibers and is imbedded in a network of carbohydrates

21
Q

Cell walls texture

A

Perforated by minute channels

22
Q

Plasmodesmata

A

Each cell has 1000 to 100 000, they are cytosol filled channels lined with plasma membranes that connect cells together. They go off of the smooth ER

23
Q

Plasmodesmata particles flowing

A

Small molecules flow freely, proteins and nucleic acid need energy to get through

24
Q

Cell walls in fungi and algal protists

A

Mostly made from carbohydrates. Some chitin instead of cellulose