Wednesday October 5, 2016 I can: understand factors that affect photosynthesis and cell respiration Agenda (10) Catalyst (20) GN: PS and CR (20) Classwork: PS and CR (20) Organelles Project (10) Exit Ticket Catalyst Name 3 organelles that eukaryotes have and prokaryotes lack. What does the chloroplast do? What does the mitochondria do? What process is unique to plants? What does it produce? Why does some bread rise? HW: Cell project due FRIDAY; Photosynthesis & Respiration Practice (if not finished)

HW: Organelle Project & Quiz #3 TOMORROW! Unit 2 Packet due Wednesday Thursday March 2, 2017 I can: understand factors that affect photosynthesis and cell respiration (aerobic vs. anaerobic) Agenda (10) Catalyst (20) GN: PS and CR (10) GN: Fermentation (10) Venn Diagram (30) Worktime (Classwork & Project) (5) Exit Ticket Catalyst Name 3 organelles that eukaryotes have and prokaryotes lack. What does the chloroplast do? What does the mitochondria do? What process is unique to plants? What does it produce? HW: Organelle Project & Quiz #3 TOMORROW! Unit 2 Packet due Wednesday

Exit Ticket Review 1. Which structure do a rabbit cell and a bacillus (bacteria) cell have in common? A. mitochondria B. capsule C. nucleus D. DNA

Exit Ticket Review 2. What is a major difference between prokaryotic and eukaryotic cells? A. Eukaryotic cells only have a flagellum. B. Prokaryotic cells do not have a cell membrane. C. Eukaryotic cells do not have membrane-bound structures. D. Prokaryotic cells do not have membrane-bound structures.

Exit Ticket Review 3. Which structure is most likely to be present only in eukaryotic cells? A. ribosome B. cytoplasm C. mitochondrion D. plasma membrane

Exit Ticket Review 4. DNA is present in both prokaryotic and eukaryotic cells. How is the DNA found in the two types of cells? A. In a prokaryotic cell the DNA is found enclosed by a membrane within the cell and in an eukaryotic cell the DNA is not enclosed by a membrane and is free floating within the cell. B. In a eukaryotic cell the DNA is found enclosed by a membrane within the cell and in an prokaryotic cell the DNA is not enclosed by a membrane and is free floating within the cell. C. In both the prokaryotic and eukaryotic cells the DNA is not enclosed by a membrane and is free floating within the cell. D. In both the prokaryotic and eukaryotic cells the DNA is enclosed by a membrane within the cell.

Energy can be stored in chemical compounds which are used by living things as chemical fuel. Adenosine triphosphate

ATP The main chemical compound that cells use to store and release energy is adenosine triphosphate (ATP). When the bond between two phosphates (P) is broken, energy is released.

ADP is like a partially charged, spent battery. ATP is like a rechargeable battery. ADP ATP ADP is like a partially charged, spent battery. ATP is like a fully charged battery that can be used to power reactions in the cell.

Cellular respiration and photosynthesis are opposite and connected processes that store and release energy for the cell to use. products of cell respiration = reactants of photosynthesis products of photosynthesis = reactants of cell respiration

Cellular Respiration Turn and Talk What would happen if there were no oxygen available to the cell? Cellular respiration is the process that releases energy by breaking down glucose in the presence of oxygen. ATP occurs in the mitochondria (plants and animals) reactants: oxygen and glucose products: carbon dioxide, water, and 36 ATP (energy) C6H12O6 + O2  CO2 + H2O + ATP

Photosynthesis Turn and Talk What would happen if there were no carbon dioxide available for the cell? Photosynthesis is the process that stores the energy of sunlight in the bonds of glucose, and releases O2. occurs in the chloroplast (plants only) reactants: carbon dioxide, water, sunlight products: glucose, oxygen sunlight CO2 + H2O + sunlight  C6H12O6 + O2

The process that makes sugar

The process that releases oxygen.

The process that releases carbon dioxide.

The process that requires oxygen to occur.

The process that makes ATP

Performed in the mitochondria

Performed in the chloroplast

What are… the products of cell respiration?

What are… the reactants of cell respiration?

What are… the products of photosynthesis?

What are… the reactants of photosynthesis?

But what happens when cells run out of oxygen? Oxygen is required for cellular respiration to occur. Respiration is said to be an aerobic process because it requires oxygen. But what happens when cells run out of oxygen?

Fermentation Fermentation releases energy from food molecules by producing ATP in the absence of oxygen. Because fermentation occurs without oxygen, it is said to be anaerobic. Occurs in the cytoplasm of the cell. Inefficient; produces 2 ATP.

Aerobic or Anaerobic?

With oxygen

Little energy production

Mitochondria

Yeast

Without oxygen

Efficient energy production

Alcoholic fermentation Lactic acid fermentation The two main types of fermentation are alcoholic fermentation and lactic acid fermentation. Fermentation Alcoholic fermentation used by yeasts and other microorganisms forms alcohol and carbon dioxide as waste Lactic acid fermentation used by muscles and unicellular organisms produces lactic acid (why your muscles feel sore after rapid exercise)

If anaerobic, state which type of fermentation is occurring. Aerobic or Anaerobic? If anaerobic, state which type of fermentation is occurring.

A yeast cell produces alcohol

Occurs in the cytoplasm of the cell

Efficient ATP formation

A cheetah sprints toward prey and its muscle cells produce lactic acid

The bacteria that cause tetanus can survive in a puncture wound that has healed on the outer surface of the skin

Results in the most energy produced

Requires the use of a mitochondrion

Yeast cells cause bread to rise

Occurs in the cytoplasm

Working On Exit Ticket (both sides) Unit 2 Packet (due Wednesday) Quiz corrections PROJECT WORKTIME