Warm Up 1024 25 What makes the plasma

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Warm Up 10/24 -25 � What makes the plasma membrane? What makes the heads

Warm Up 10/24 -25 � What makes the plasma membrane? What makes the heads and the tails unique? � What is passive transport? What types of things can the cells obtain through passive transport?

Warm Up 10/31 -11/3/14 � Good morning/afternoon! Today we will be taking our quarter

Warm Up 10/31 -11/3/14 � Good morning/afternoon! Today we will be taking our quarter test. In addition to the quarter test, we will also be checking binders. Please have in your binders, in this order: all warm ups, daily fixes, cell structure and function notes (prokaryote/eukaryote notes), cell parts notes (organelle flashcards), organelle assignment (household items as organelles), transfer of molecules notes, solution problems, hypo-, hyper-, iso-tonic assignment and osmosis egg lab.

Warm Up 10/28 -29 � Please draw a Venn Diagram comparing/contrasting exocytosis and endocytosis.

Warm Up 10/28 -29 � Please draw a Venn Diagram comparing/contrasting exocytosis and endocytosis. � Describe, in your own words, phagocytosis.

Energy and the Cell Biology 1 Mr. Hedrick, Mrs. Heins

Energy and the Cell Biology 1 Mr. Hedrick, Mrs. Heins

Energy The Ability to do Work � Potential: � Kinetic: energy stored energy in

Energy The Ability to do Work � Potential: � Kinetic: energy stored energy in motion

Warm Up 11/4 -5/14 � Create a tree map (example on the board) detailing

Warm Up 11/4 -5/14 � Create a tree map (example on the board) detailing exocytosis, phagocytosis, and pinocytosis (at least three descriptors in each column. � Give one example of potential energy and kinetic energy.

Energy � Main source of energy on the earth comes from the sun in

Energy � Main source of energy on the earth comes from the sun in radiant energy (kinetic energy) � Plants convert this radiant energy to chemical energy (potential energy) using the process of photosynthesis � When animals consume food, the chemical energy is converted into potential energy in the body � When this energy is used to work it becomes kinetic energy (cellular respiration).

Where do living things get energy?

Where do living things get energy?

Autotrophs � Primarily plants � Organisms that produce their own food

Autotrophs � Primarily plants � Organisms that produce their own food

Heterotrophs � CANNOT make their own food � Obtain energy from the foods they

Heterotrophs � CANNOT make their own food � Obtain energy from the foods they consume

Chemical Energy � Adenosine Triphosphate (ATP) is one of the most important chemical compounds

Chemical Energy � Adenosine Triphosphate (ATP) is one of the most important chemical compounds used to store and release energy in the cell. � Adenine + Ribose + 3 Phosphate groups

Energy is Stored in the Cell � When the cell has available energy it

Energy is Stored in the Cell � When the cell has available energy it can be stored in small amounts as ATP. � Process: The ADP molecule adds another phosphate to it, making it ATP. +

ADP is made into ATP by ATPsynthetase

ADP is made into ATP by ATPsynthetase

What are enzymes? � Biological catalysts. This means that without them, the thousands of

What are enzymes? � Biological catalysts. This means that without them, the thousands of chemical reactions that happen in cells would not be possible.

Energy is Released � When the chemical bond between the third phosphate group in

Energy is Released � When the chemical bond between the third phosphate group in ATP is broken—ATP becomes ADP and energy is released.

ATP broken to ADP

ATP broken to ADP

ATP-ADP Cycle � a) in chemicalese: ATP ----> ADP + energy + Pi �

ATP-ADP Cycle � a) in chemicalese: ATP ----> ADP + energy + Pi � b) in English Adenosine Triphosphate produces Adenosine diphosphate + energy + inorganic Phosphate � a) � b) in chemicalese: ADP + Pi + energy ----> ATP in English: Adenosine diphosphate + inorganic Phosphate + energy produces Adenosine Triphosphate

Create a Flow Map � Using a flow map (class procedures example), show the

Create a Flow Map � Using a flow map (class procedures example), show the process of ATP being made and broken down.

Energy from ATP Is used to: � Carry out active transport � Synthesize proteins

Energy from ATP Is used to: � Carry out active transport � Synthesize proteins � Move organelles throughout the cell � Keep the sodium-potassium pump working

Comparing ATP and Glucose ATP � Useful source of energy � Cells only carry

Comparing ATP and Glucose ATP � Useful source of energy � Cells only carry a small amount Glucose � Useful source of energy � Stores large amounts of energy

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