respiration

• 7th science • CHAPTER 4-2

Monday 12/8/14

• Agenda-respiration

• Finish photosynthesis handout, page 122, & job qualifications paragraph

• These were assigned Thursday & Friday (due tomorrow)

• Respiration

• Fermentation

• Word-define-picture-use in a sentence

• Show me when you are done

• 8 points

respiration

• What is the first stage of respiration?

• Takes place in the cytoplasm

• Glucose is broken down into smaller molecules

• A small amount of energy is released

respiration

• What is the second stage of respiration?

• Takes place in the mitochondria

• Smaller glucose molecules are broken down into smaller ones

• Needs oxygen

• Releases a lot of energy

respiration

• Besides energy, what are the 2 other products of respiration?

• Carbon dioxide

• Water

• These are released when you exhale (breathe out)

Respiration equation

How are photosynthesis & respiration related

Tuesday 12/9/14

• Agenda-fermentation

• Warm up

• Finish missing work (see board)

fermentation

• What is fermentation?

• It is a way for cells to get energy from food without using oxygen.

• Energy released is less than during respiration.

fermentation

• What is alcoholic fermentation?

• Occurs in yeasts and other single celled organisms

• Products are alcohol, carbon dioxide and energy

• Used in baking bread & making beer.

Alcoholic fermentation

Alcoholic fermentation

• ‘ • ‘

Alcoholic fermentation

• ‘ • ‘

Wednesday 12/10/14

• Agenda fermentation

• Warm-up

• What is the difference between respiration and fermentation?

fermentation

• What is lactic acid fermentation?

• Occurs in muscles when they don’t have enough oxygen

• Occurs during physical activity

• Lactic acid is a product that makes your muscles sore

Lactic acid fermentation

• ATP is

Energy

ATP is released energy

Lactate is lactic acid

Lactic acid fermentation

Start/end

• make a chart (see sample) comparing the start/end of the 4 processes we have learned

• 4 processes• Photosynthesi

s• Respiration• Alcoholic

fermentation• Lactic acid

fermentation

Thursday 12/11/14

• Agenda-fermentation

• What is the difference between alcoholic fermentation and lactic acid fermentation? What is the same?

Friday 12/12/14

• Agenda-photosynthesis review

• Where does photosynthesis take place?