12-10-12 Biology 1.Complete Bell Ringer 24 2.Set up Elodea Leaf Lab( 5-7) pg. 206 of biology book. – Teacher Demo with student aide 3.(20 min)- complete.

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Presentation transcript:

Biology 1.Complete Bell Ringer 24 2.Set up Elodea Leaf Lab( 5-7) pg. 206 of biology book. – Teacher Demo with student aide 3.(20 min)- complete worksheet using pages or use Fridays’ power-point notes 4.Observations/Conclusio n questions. Chemistry 1. Turn in Balancing Act 2. Balancing Equations ( also name the type of chemical reaction each equation is)

Biology 1.Bell Ringer 25 ( 2 practice questions) 2.Power-Point Notes ( section 2)- Photosynthesis 3. Light and Dark Cycle Review ( use flow chart or pages of the book) Study: vocab, flow chart, web quest, and power- point notes, QUIZ TOMORROW!!!!

THE BIG PICTURE These experiments led to work by later scientists who finally discovered that in the presence of light, plants transform CO 2 and water into carbohydrates and release oxygen. _____________ + ____________ _______________ + ____________ Carbon dioxide WATERSugars Oxygen 6 CO 2 _____________ + ____________ _______________ + ____________ 6 H 2 OC 6 H 12 O 6 6 O 2 →

In addition to water and carbon dioxide, __________________ and __________________ are needed for photosynthesis to happen. chlorophyll light energy

____________________ involves a complex series of chemical reactions, in which the product of one reaction is _____________ by the next reaction. Photosynthesis consumed Reaction 1 → Product → X Reaction 2 → Product Y A series of reactions linked in this way is referred to as a __________________________ biochemical pathway

PHOTOSYNTHESIS Light-Dependent Reaction Light-Independent Reactions Light & Water oxygen ATP NADPH Carbon Dioxide (CH 2 O) n Calvin Cycle

Visible light is made up of many different _______________of light Your eyes “see” different sizes of waves as different ___________ wavelengths colors

Plants gather the sun’s energy with light absorbing molecules called Pigments. By: VanderWal

The main energy absorbing molecule in green plants is ___________________ _________________ are plant pigments too. (These look yellow, orange, and red) CAROTENOIDS CHLOROPHYLL

In ______, chlorophyll production slows as the trees shut down and photosynthesis stops for winter. FALL

red Chlorophyll a Chlorophyll b Absorption of Light by Chlorophyll a and Chlorophyll b © Pearson Education, Inc. Publishing asPearson Prentice-Hall. All rights reserved. There are two types of chlorophyll Chlorophyll A & Chlorophyll B Chlorophyll a absorbs the red & violet wavelengths best. It absorbs very little blue light.

red Chlorophyll a Chlorophyll b Absorption of Light by Chlorophyll a and Chlorophyll b © Pearson Education, Inc. Publishing asPearson Prentice-Hall. All rights reserved. There are two types of chlorophyll chlorophyll A & Chlorophyll B Chlorophyll b absorbs some red light and even more Blue-Violet light.

Chlorophyll a Chlorophyll b Absorption of Light by Chlorophyll a and Chlorophyll b © Pearson Education, Inc. Publishing asPearson Prentice-Hall. All rights reserved. NEITHER KIND OF CHLOROPHYLL IS VERY GOOD AT ABSORBING green LIGHT!

That’s why plant have other pigments (like carotenoids). They help __ ABSORB __ some wavelengths chlorophyll __ DOESN’T _____; so the plant can USE MORE of the sun’s energy.

Chlorophyll a Chlorophyll b Absorption of Light by Chlorophyll a and Chlorophyll b © Pearson Education, Inc. Publishing asPearson Prentice-Hall. All rights reserved. SO WHAT WAVELENGTHS ARE BEST FOR PHOTOSYNTHESIS? THE ONES CHLOROPHYLL ABSORBS THE BEST ________ and _______________ red Blue-violet

PHOTOSYNTHESIS HAPPENS IN CHLOROPLASTS = sac-like photosynthetic = stack of thylakoids membranes inside chloroplast THYLAKOIDS GRANUM (pl. grana) Image from BIOLOGY by Miller and Levine; Prentice Hall Publishing©2006

SPACES THYLAKOID SPACE STROMA cytoplasm Gel-filled space Inside the thylakoid sac Gel-filled space inside chloroplast surrounding thylakoid sac Gel-filled space OUTSIDE chloroplast but inside the cell membrane

LIGHT DEPENDENT REACTION Requires ______________ Molecules are part of ________________ Made up of __________________ connected by ______________________ & ___________________ Uses light energy to change ADP + P → _______ NADP + + 2e - + H + → _________ Breaks apart ______ molecules and releases _____________ LIGHT ATP THYLAKOID membranes PHOTOSYSTEMS II & I ELECTRON TRANSPORT CHAIN NADPH H20H20 oxygen ATP SYNTHASE

CALVIN CYCLE (also called _________________________) ____________ require ____________ Happens in _________ between thylakoids NADPH donates _______________ ATP donates _________________ CO 2 donates ______________ to make __________ LIGHT LIGHT INDEPENDENT ENERGY STROMA Hydrogen + electrons Carbon & oxygen GLUCOSE DOES NOT

Advisory 1.Quick Write: Enzymes ch?v=ok9esggzN18 Chemistry 1.Bell Ringer 23 2.Balancing Equations ( words Problems

Biology 1. Place backpacks and all belongings ( except a pencil) to the right side of the room. 2. Quiz: Photosynthesis ( 20 min.) 3. Factors Influencing the rate of photosynthesis paper lab ( turn in the 7 questions) 4. Start Cellular Respiration Booklet( by end of class complete title page, table of contents, page I. You will get daily completion grades. The overall book is worth a test grade. Reminders Test Next Friday, 12/21/12 ( photosynthesis and cellular respiration. Today and Tomorrow retest !!!!!! Extra Credit: Food Pantry Donation $1- daily grade $3- quiz grade ( need by Wednesday) 12/19/12

advisory Enzyme Worksheet ( reading comprehension- read the information then answer the questions…teacher will complete the first two!) chemistry 1.Bell Ringer 24 2.Molarity and Molality ( terms then practice) * First problem on each page done with teacher, the rest to be completed independently!

Biology 1.Bell Ringer 26 2.Complete up to page 4 of your cellular respiration packets ( turn into the crate) 3.Study for upcoming test!!!! Reminders Test Next Friday, 12/21/12 ( photosynthesis and cellular respiration. Today: Re-Test !!!!! Extra Credit: Food Pantry Donation $1- daily grade $3- quiz grade ( need by Wednesday) 12/19/12