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Characteristics of all living things is that they all use…. Energy. Two ways organisms get their energy (food). Autotophic Heterotrophic. Autotroph & Heterotropoh. autos - Greek for “self” hetero – Greek for different trophos - Greek for “feed”. Photo auto trophs. Photo auto trophs.

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Autotroph heterotropoh l.jpg
Autotroph & Heterotropoh

autos - Greek for “self”

hetero – Greek for different

trophos - Greek for “feed”


Photo auto trophs l.jpg
Photoautotrophs


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Photoautotrophs


Bacteria used to be in the kingdom monera moneres means single all bacteria are single celled l.jpg
BacteriaUsed to be in the Kingdom Monera. “moneres” means single. All bacteria are single celled.


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Are bacterial harmful ?

Beneficial ? Both ?


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Bacteria – Domain Prokarya

Kingdom Eubacteria

First appeared in the

Precambrian Era

Cyanobacteria – Also

Known as “blue green

algae



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How Eubacteria are identified

  • Gram + bacteria turn purple when stained.

    Absorb a violet stain

  • Gram – bacteria appear pinkish when stained. Outer layer of carbohydrate and protein absorbs pinkcolor



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Bacteria – Domain Prokarya

Archaebacteria

Methanogens produce

methane gas


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The straight poop about cow poop!

  • Methanes heat trapping power is 21 times greater than carbon dioxide.

  • 1.3 billion cows. Global pop. of cows as doubled in the last 40 years

  • Methane gas levels have doubled in atmosphere

  • Cow expels 600 liters of methane a day!





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Kingdom ProtistaAlgae & Protozoans









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Stoma means “mouth”

What do you think

passes through

the stomata?






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What is a pigment

  • Pigments are chemical compounds which reflect only certain wavelengths of visible light. This makes them appear "colorful". Flowers, corals, and even animal skin contain pigments which give them their colors.


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Pigments Absorb wavelengths of light

  • More important than their reflection of light is the ability of pigments to absorb certain wavelengths.







Vi si b l e l i g h t l.jpg
VisibleLight



The difference between red and blue light is l.jpg
The difference between red and blue light is……..


Which colors are the m o s t and least important in photosynthesis l.jpg
Which colors are the most and least important in photosynthesis ?


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Why?

  • The reason why red and blue is the most important is because they are absorbed by the pigment chlorophyll and green light is reflected




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With carbon dioxide

No carbon dioxide


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The 5 things needed for photosynthesis are…..

  • Chloroplast - Place

  • Sunlight - Energy

  • Chlorophyll – Captures the energy !

  • Carbon Dioxide – 2 of the 3 elements needed to make glucose. C & O

  • Water – Electron and hydrogen





Oxygen l.jpg
Oxygen must be..


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What is in the leaf that makes it bluish-black-purple like ? must be..

  • Starch and starch is a polysaccharide. Which means that it is made of a bunch of glucose units hooked together. Therefore glucose is produced


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The products of photosynthesis must be..

  • Oxygen

  • Glucose

  • Water


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The goal of photosyntheis is… must be..

  • to make glucoseC6 H12 O6 from

    CO2 and H2 Oand O2 is produced as a by product

  • Therefore we must get the Hfrom H2 O to combine with CO from CO2 to make glucoseC6 H12 O6


Steps for photosynthesis l.jpg
Steps for photosynthesis must be..

  • Light Reactions

  • Dark Reactions

    Calvin Cycle or Carbon Fixation


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Where do the must be..light reactions take place?

Thylakoid

Grana

Stroma


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Overview of the must be..light reactions

Do you see where you get

the oxygen that you breathe?


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There are two “photosystems inside must be..

each thylakoid membrane.

Photosystem 1 was the

first one discovered

Photosystem 1

P700

Photosystem 2

P680



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electron must be..

High or low potential

energy?

ATP

No NADPH or

Oxygen is made

electron

Photosystem 1

P700

Electrons are returned to

chlorophyll so this is is

called Cylclic




Slide64 l.jpg

Noncyclic must be..

NADPH

electron

electron

ATP

ETC

ETC

ATP

ETC

ETC

H

e

H2O

Photosystem 2

P680

Photosystem 1

P700

O2


L i g h t reactions l.jpg
L must be..ightReactions





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Summary of Light Reactions Flour is the same as?

  • Energy from sunlight is absorbed by chlorophyll and excites electrons.

  • Electrons are passed through the ETC causing H+ ions to move inside the thylakoid.

  • Water is split and makes oxygen. Oxygen is released. Free H+ flows through by chemiosmosis and makes ATP.

  • H+ join up with NADP to make NADPH which proceeds to the stroma where dark reactions occur.



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Dark reactions Flour is the same as? and Calvin CycleSame = Same


What is needed for the dark reactions l.jpg
What is needed for the dark reactions? Flour is the same as?

  • Carbon Dioxide - C , O

  • NADPH - H

  • ATP


The result is l.jpg
The result is….. Flour is the same as?

C6H12O6


The dark reactions don t need dark l.jpg
The dark reactions don’t need dark ! Flour is the same as?

3CO2

ENZYME

18 C

15 C

6

3

ADP

ADP

NADPH

15 C

5

NADP

6

18 C

3 C


O 2 and co 2 pass through the stomata and glucose travels in the phloem and water in the xylem l.jpg
O Flour is the same as?2 and CO2 pass through the stomata and glucose travels in the phloem and water in the xylem ?





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Differentiate between prokarya and eukarya year !

Define “auto” and “trophos” “photo” “synthesis” “chloro”

Identify the photoautroph kingdoms. Identify at least two from each kingdom

Explain why bacteria used to be in the kingdom Monera

Explain how cows are contributing to global warming

Differentiate between Gram + and Gram – bacteria

Label the cross-section of a leaf and the biological significance of xylem, phloem, mesophyll, and stomata.

Recognize the equation of photosynthesis and identify the ingredients and products

Define pigment

Explain the role of chlorophyll in photosynthesis

Identify the organelle of photosynthesis and be able to label all of its parts

Explain why chlorophyll is appears green

Identify which colors of light are the least and most important in photosynthesis

Explain the role of NADP, ATP, Carbon Dioxide in photosynthesis

Identify where in the chloroplast the light and dark reactions

Explain how chemiosmosis occurs and its importance

Explain how carbon dioxide is changed into glucose

Explain the role of water in the light reactions

Differentiate between the light and dark reactions

Identify the other name of the dark reactions

Explain why crabgrass and corn grow so well in the hottest times of the year.

Give the straight poop about cow poop.


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Which organisms produce year !

most of the world’s oxygen?


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Producers………… year !

They make organic compounds from

inorganic chemicals






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. year !



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