Vocabulary Chapters 4-8 Flashcards

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1
Q

Aerobic respiration

A

Respiration in which the final electron acceptor is oxygen

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2
Q

Antiporters

A

Transports two molecules in different directions

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3
Q

Carbon fixation

A

the formation of organic molecules from CO2

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4
Q

Carotenoids

A

Accessory pigment that also scavenges free radicals

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5
Q

Cellular respiration

A

Metabolic harvesting of energy by oxidation of organic compounds

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6
Q

Chlorophyll a

A

The main photosynthetic pigment in plants

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7
Q

Cytochrome/b6-f complex

A

Complex of electron carries that connects the two photosystem in chloroplast

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8
Q

Diffusion

A

Movement of molecules from high to low concentration

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9
Q

Exergonic

A

Reactions that release energy

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10
Q

Exocytosis

A

Discharge of material from vesicles at the cell surface

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11
Q

Facilitated diffusion

A

Diffusion that is mediated by a membrane protein

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12
Q

Fermentation

A

The final electron acceptor is an organic molecule

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13
Q

Gap junction

A

Communicating junctions

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14
Q

Glyceraldehyde 3- phosphate

A

Final product of the Calvin- cycle

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15
Q

Grana

A

Stacks of thylakoid disks

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16
Q

Nucleolus

A

The site of ribosome assembly

17
Q

Osmosis

A

Diffusion of water across a membrane

18
Q

Peptidoglycan

A

Carbohydrate matrix that makes up bacterial cell walls

19
Q

Phagocytosis

A

Cell “eating”

20
Q

Photon

A

Packets of light energy

21
Q

Photorespiration

A

incorporates O2, in RuBP, eventually releasing CO2

22
Q

Photosystem I

A

Photosystem that was discovered first, has P700 chlorophyll

23
Q

Photosystem II

A

Photosystem used first in noncyclic photophosphoylation

24
Q

Pinocytosis

A

Cell “drinking”

25
Q

Potential energy

A

Stored energy

26
Q

Ribosomes

A

Site of protein synthesis

27
Q

Rubisco

A

enzyme used in Calvin cycle to fix carbon in organic form

28
Q

Stroma lammella

A

Connections between grana in chloroplast

29
Q

symporters

A

Transports two molecules in the same direction