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Tuesday, November 24, 2015
Monday, November 23, 2015
Here is a little bit more information that you should study for your test. This is not all the information that you will be tested on.
Friday, November 20, 2015
Thursday, November 19, 2015
Here is a Quizlet to help. Please note that there are a few questions on the test that are not on the quizlet so make sure you study your notes and read over the chapter again.
Biology Plus Notes- November 19, 2015
First Period Only
Bell Work- Look at your foldable. Draw a picture and describe what is happening on page 4 of your foldable.
Answer: A new product is formed.
Students were given a crossword puzzle on Enzymes to complete. They were allowed to work in pairs.
Wednesday, November 18, 2015
Tuesday, November 17, 2015
Biology Plus Notes- November 17, 2015
Bell Work- Grab a diagram off of the blue chair and label:
Active site, Products, Enzyme, and Substrate.
Coach P took up the diagrams after they labeled them. This will be a grade.
1. Only one enzyme works with each substrate
2. Enzymes do their jobs, but never go away.
3. Enzymes help reactions in living things (speed up).
4. Enzymes can easily be destroyed by high temperatures pH.
5. Enzymes either build-up or breakdown, not BOTH.
Students were given a packet on Enzymes. They were instructed to copy the 6 questions from the packet in their composition books. They were to read the information and then answer the questions.
They should all have the questions and answers to the questions written in the composition book.
Take notes on Chapter 4 Lesson 4 (due Wednesday)
Chapter 4 Lesson 4 - NOTES & Guided Reading Questions
THE TEST WILL BE FRIDAY and WILL COVER CHAPTER 4 LESSONS 1, 2, 3, & 4...
Monday, November 16, 2015
Biology Plus Notes- November 13, 2015
Bell Work- Name one reason enzymes are important.
Answer:-Enzymes can breakdown/digest certain foods.
-Enzymes facilitate (start) chemical reactions.
Students were given a graphic organizer to fill in. Coach P is giving them the information to put in the chart.
Enzymes- Most end in -ase
What are enzymes?
-Biological molecules that act to speed up body reactions.
How many enzymes do we have in our bodies?
-More than 3000
What do they do in our body?
-Enzymes can breakdown/digest certain foods.
Why are enzymes important?
-Without enzymes, it would take too long to get nutrients (from our food).
Where are enzymes found?
-Most enzymes are produced in our PANCREAS, but they travel all over our body (mouth, stomach, intestines).
What do some specific enzymes do for us?
Amylases: Breaks down carbohydrates (starts in our mouth)
Proteases: Breaks down proteins (Intestines)
Lipases: Breaks down Lipids (fats) (Intestines)
What are some important enzyme characteristics?
-Enzymes have a special active site.
-Each enzyme only fits with one substrate (lock/key).
Friday, November 13, 2015
Thursday, November 12, 2015
Add these notes for the Test on Monday:
Biology Plus Notes- November 12, 2015
Bell Work- Look in your notes and tell me what an enzyme can do for a chemical reaction. Answer- An enzyme can speed up a chemical reaction (RXN- short hand for reaction). The reaction might create new products or put new substances together.
Students read an article about enzymes and answered 4 questions. They should have the questions and answers in their notebooks.
People need things to survive:
Water, Oxygen, and Food (vitamins/nutrients)
1. Enzymes act as catalysts and help complex reactions occur everywhere in life. Enzymes help us get our nutrients. If you have a carbohydrate (sugar) , it may be too big for us to get our energy from it. We need to break it down. The enzyme Fructase breaks down the Fructose (sugar) so we can get our energy from the carbohydrate.
2. Proteins are made of Amino Acids.
We have special enzymes in our stomach. The Proteases (PROT-protein; ASE-enzyme)help break down bonds of the amino acids so we can use them.
3. One enzyme cannot just break down everything. Enzymes are very specific catalysts and usually work to complete one task.
Tuesday, November 10, 2015
Biology Plus Notes- November 10, 2015
Bell Work- What ending do all enzymes have? -ase
Enzymes-the substance (reactant) an enzyme acts on is the substrate.
Active Site- A restricted region of an enzyme molecule that binds to the substrate.
The substrate fits into the enzyme.
What are 3 tings that affect an enzymes ability to do its work? What affects enzyme activity?
1. Environmental Conditions
2. Cofactors and Coenzymes
3. Enzyme Inhibitors
We need enzymes to help speed up chemical reactions.
Enzymes can perform 2 actions.
Bring Detergent for extra credit.
Here are the worksheets from the past few days.
Here is the extra credit instructions. Remember it is due Monday and pick one. It should be on a poster.
Here is the guided reading for that will be handed out today and is due on Wednesday.
Here is a reading we will do later in the week:
Monday, November 9, 2015
Here is your study Guide:
Biology Plus Notes- Nov. 9, 2015
First Period Only
Bell Work- Draw an example of what a Nucleotide of DNA looks like. Label the 3 parts.
Nucleotide : Phosphate, Sugar, Nitrogen Base
There are 3 parts to a Nucleotide!!! See above… Some bases have one ring and some have 2 rings.
Our genetic information is carried in these cells.
These are the building blocks of DNA and RNA.
The base is called Nitrogenous base because it is made up of nitrogen.
Nucleotide- Adenine goes with Thymine
(Apple in the Tree)
Cytosine goes with Guanine
(Car in the Garage)
Adenine and Guanine have 2 rings and Cytosine and Thymine have one ring.
DNA is a double helix and RNA is a single.
DNA is found in the nucleus of the cell.
Students watched a video, which Coach P stopped and explained while viewing.
Students were then instructed to draw 3 nucleotides and show how they are connected.