announcements
Download
Skip this Video
Download Presentation
Announcements

Loading in 2 Seconds...

play fullscreen
1 / 10

Announcements - PowerPoint PPT Presentation


  • 74 Views
  • Uploaded on

Announcements. Start new unit Photosynthesis and cellular respiration Describe the four levels of organization? What color are most plants? Why is that?. Photosynthesis. Ch 8-1 Ch 8-2. Photosynthesis.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Announcements' - loring


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
announcements
Announcements
  • Start new unit
    • Photosynthesis and cellular respiration
  • Describe the four levels of organization?
  • What color are most plants? Why is that?
photosynthesis

Photosynthesis

Ch 8-1

Ch 8-2

photosynthesis1
Photosynthesis
  • When I plant a seed that weighs 1 gram, how does it grow into a huge sequioa tree which weighs tons?
  • Where does the extra weight come from? The soil? The water?
  • Dutch Physician Jan Van Helmont
    • Soil weighed constantly 75 grams
    • Water was the only thing he added
  • Joseph Priestley
    • Observed a plant keep a flame alive underneath a glass dome
    • Jan Ingenhousz figured out that plants produce oxygen in light
  • Photosynthesis
    • Plants convert the energy of sunlight into the energy in the chemical bonds of carbohydrates
requirements for photosynthesis
Requirements for Photosynthesis
  • Sunlight – different wavelengths of visible light are needed for photosynthesis
    • Autotrophs – organisms that can make their own source of food. Ex. Plants
    • Heterotroph – organisms that obtain energy from another source. Ex. People
  • Pigments – absorb the specific wavelengths (colors) from light
    • Chlorophyll is the primary pigment in plants.
  • Energy storing compounds
    • ATP (adenosine triphosphate) – power currency of the cell
slide6

ATP

Section 8-1

Adenine

Ribose

3 Phosphate groups

Go to Section:

slide7

Figure 8-3 Comparison of ADP and ATP to a Battery

Section 8-1

ADP

ATP

Energy

Energy

Adenosine diphosphate (ADP) + Phosphate

Adenosine triphosphate (ATP)

Partially

charged

battery

Fully

charged

battery

Go to Section:

slide8

Figure 8-3 Comparison of ADP and ATP to a Battery

Section 8-1

ADP

ATP

Energy

Energy

Adenosine diphosphate (ADP) + Phosphate

Adenosine triphosphate (ATP)

Partially

charged

battery

Fully

charged

battery

Go to Section:

slide9

“Simplified” EQUATIONFORPHOTOSYNTHESIS

Energy (Light)

6CO2 +

6H2O +

C6H12O6 +

6O2

CARBON DIOXIDE

GLUCOSE

OXYGEN

WATER

slide10

Photosynthesis

+

H2O

CO2

Energy

ATP and

NADPH2

Water is

broken

Light is Adsorbed

By

Chlorophyll

ADP

NADP

Calvin Cycle

Chloroplast

Used Energy and is recycled.

O2

+

C6H12O6

Light Reaction

Dark Reaction

ad