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Biology b > Photosynthesis > Flashcards

Photosynthesis Flashcards

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0
Q

What are two adaptations for obtaining glucose?

A

Autotrophic nutrition(photosynthesis) & heterotrophic nutrition (ingestion , digestion)

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1
Q

Nutrition

A

Obtaining and processing of food molecules. All living things obtain and process food molecules but the way they do it is different

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2
Q

Autotroph

A

They are producers and can make their own food and change inorganic raw materials into organic products. Examples are plants and algae

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3
Q

Heterotroph

A

Cannot make their own food, examples are animals

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4
Q

Autotrophic nutrition

A

☀️. (Light energy ) —-> glucose. (chemical bond energy)

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5
Q

Respiration

A

The release of energy from chemical bonds of glucose, energy is transferred to the chemical bonds of atp. Respiration is a life process but photosynthesis is not , it’s a type of nutrition Chemical energy(glucose) to chemical energy ATP

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6
Q

Photosynthesis

A

Light energy to chemical energy

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7
Q

How are the energy generating chemical reactions photosynthesis and respiration related?

A

Products made from photosynthesis are used as reactants in respiration and vice versa,…..their opposite

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8
Q

Cuticle

A

Waxy covering of leaf for protection and prevents excess water loss

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9
Q

Stomates(stoma ,stomata)

A

Open and close to allow for movement for water vapor and gas (CO2 and O2)

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10
Q

Guard cells

A

Kidney shaped cells around stomates and regulate opening and closing by swelling with water when needed

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11
Q

Palisade mesophyll

A

Where photosynthesis occurs and one or two cells thick. Lots of chloroplast

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12
Q

Spongy mesophyll

A

Lots of air space to allow for gas exchange

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13
Q

Plant transport

A

Veins”vascular bundle”, xylem,phloem

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14
Q

Veins

A

Contains vascular tissue

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15
Q

Xylem

A

Water and materials UP ONLY

16
Q

Phloem

A

“Ph”food. Nutrients ALL DIRECTIONS

17
Q

Path of water takes up through a plant

A

Into roots-through xylem-to leaves-out through stomates when guard cells are opened

18
Q

Root hairs

A

Increase surface area for greater absorption

19
Q

Root pressure

A

Osmotic pressure in xylem of a root

20
Q

Capillary action

A

Tendency of liquid to rise inside narrow tubes

21
Q

Transpirtation

A

Evaporation of water off leaves

22
Q

Transpiration pull

A

Chief process that moves water through xylem

23
Q

Pigments

A

Substances that absorb certain wavelengths of light energy and reflect others example is chlorophyll it absorbs red orange blues and violets but reflects green and yellow

24
Q

Pigments founded in plants

A

Carotenes-orange Xanthophyll -yellow

25
Q

Chromatography

A

Used to separate pigments by separating the mixture by solubility or ability to dissolve. The more sociable the better to dissolve and it will move farther up the paper, less solvable materials will adhere better

26
Q

Light

A

Travels in waves(photons,white light)

27
Q

Photons

A

Packages of light energy

28
Q

White light

A

Made of a spectrum of colors

29
Q

What is the photosynthesis formula ?

A

CO2+H2O+Sunlight –> O2+H2O+C6H12O6 (organic raw materials). (Organic c+h). Reactants Product

30
Q

Photosynthesis summary

A

Energy= sunlight –> chemical bonds in glucose. Materials used(reactants)= carbon dioxide and water and sunlight. Materials produced(product)= glucose(organic) and water/oxygen(waste product) Time frame= daylight hours Location(organelle)= chloroplast Importance= stores energy from sun and made atp available to other organisms

31
Q

Oxidation

A

Any chemical change in which an atom or molecule loses an electron and hydrogen and phosphate Leo

32
Q

Reduction

A

Any chemical change in which and atom or a molecule gains an electron and hydrogen and phosphate Ger

33
Q

Redox

A

Oxidation and reduction occurring at the same time

34
Q

Biochemical pathway

A

Sequence of chemical reactions that leads to a particular results. Reactions require enzymes and enzymes require coenzymes

35
Q

Coenzymes act as hydrogen acceptors

A

Can accept H+ NADP + H –> NAPPH. Gain H….GER…reduced

36
Q

Light dependent reaction

A

Location- grana. Water is split(photolysis) and oxygen is released into the atmosphere. NADPH and ATP are made to be used in light independent reaction

37
Q

Light independent reaction or Calvin cycle or carbon fixation

A

Location - stroma. Enzyme Rubisco converts inorganic CO2 into organic glucose by combining two PGAL molecules (a 3 C molecule)

Biology b (11 decks)

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