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Absorb or Release
Solutions
Nutrition
Digestion
Lab Skills and Topics
100
If energy is on the side of the reactants in a chemical formula, is it absorbed or released?
absorbs
100
The __________ dissolves in a solution
solute
100
What are the six main nutrients we talked about in class?
Proteins, carbohydrates, fats, water, vitamins, and minerals.
100
Is the esophagus part of your digestive tract or your digestive glands?
Digestive Tract
100
What were the factors that determined the size of the indent in the mechanical energy lab?
Mass of the marble and height of the drop.
200
Is there a release or absorption of energy in the synthesis of water (exploding of hydrogen balloon)
release
200
Which four ways can we represent concentration?
g/L % m/V % m/m % v/v
200
What is the average energy content of: -Carbohydrates -Fats -Proteins
4 9 4
200
What is the liver's main role in the digestive system?
It produces bile, which helps separate fat molecules in the small intestine.
200
We used test strips to determine the presence of _________
glucose
300
Is there an absorption or release of energy in photosynthesis? What about for cellular respiration?
absorption release
300
I have 0.25 g/L of a substance. What is my % m/V?
.025% m/V
300
What are the main food groups in the Canada's Food Guide?
Vegetables and fruit, grains, milk and alternatives, and meat and alternatives.
300
Describe the source, location and nutrients involved. 1. Intestinal juices - 2. Gastic juices - 3. Saliva - 4. Pancreatic juiices -
1. Intestinal glands, small intestine, proteins, carbohydrates and fats. 2. gastic glands, stomach, proteins 3. salivary glands, mouth starch 4. pancreas, small intestine, Carbohydrates(mainly), proteins, fats.
300
You are attempting to detect for a nutrient, and drop several drops of Fehling's reagent A + B into a boiling liquid, as well as several drops of distilled water into a beaker of the same liquid. Which type of nutrient are you trying to detect?
Simple and/or Complex Carbohydrates
400
Oxidation generally involves a ___________ of energy.
release
400
Name 5 methods of separation, and describe which types of mixtures they work for.
answers vary. page 20 in textbook
400
How many joules does one dietary calorie equal?
4000
400
Carbohydrates are broken down into ____________. Fats are broken down into ________________. Proteins are broken down into _______________.
Simple carbohydrates (glucose) Amino acids. Fatty acids and glycerols
400
____________ is an indicator we use to detect starch. _____________ is an indicator we use to detect proteins.
1 - Iodine or Lugol's solution 2. Bieuret's reagent
500
2H20 + electrical energy -----> 2H2 + O2 Absorbed or released?
absorbed.
500
I have a 500 mL solution with a concentration of .5% m/V. How much solvent will I need to add to get a concentration of 3 g/L
.5 (500) = .3 (v2) 250 = .3 (v2) 833.33 mL = V2 833.33 - 500 = 333.333 mL of solvent
500
What are the main factors that determine how many calories a person needs to consume per day?
-Age -size(height and weight) -activity level -genetics
500
Describe the process of peristalsis, and list the locations within the digestive tract where it occurs.
It occurs from the esophagus through to the large intestine. It is a series of muscular contractions that propels food along.
500
Describe the procedure you would use for detecting chloride. Which indicator would you use? If a chloride is present, how would you know?
1. 1. Number the test tubes 1 and 2 with the marker. 2. Add 20 drops of distilled water to test tube 1. 3. Add 20 drops of sodium chloride solution to test tube 4. Add 4 drops of silver nitrate solution to each test tube. 5. Observe the contents of the test tubes and record your observations. 6. Clean up and put away materials.