Protein
How many calories per gram of protein?
4cal/g
How many calories per gram carbohydrate?
4cal/g
How many calories in a gram of fat?
9cal/g
What does H2O stand for?
2 Hydrogen molecules; 1 Oxygen molecule
What does quantitative mean? Qualitative?
Qualitative: Describing the quality
Quantitative: Describing the number measurement
Name 2 functions of protein.
Enzymes that control the rate of biochemical reactions
Hormones that regulate cell processes (Ex. Insulin)
Structurally make up bones and muscles (Ex. Collagen)
Transport substances in and out of cell (Ex. Hemoglobin)
Antibodies help immune system fight diseases
Movement (Ex. Contractile proteins)
Receptors aid in cell signaling
Energy source in the food we eat (Ex. Casein)
What is the primary function of carbs in the body?
Short-term energy storage
What are the primary function of lipids?
Long-term energy storage.
Why is water called the "universal solvent"?
You can dissolve just about anything in water.
What does the experimental group refer to?
The group in an experiment that is being tested (used as the "guinea pig")
Name a food high in protein
Lean meat, nuts, dairy
What does it mean when we talk about "fast carbs" vs "slow carbs"?
Fast carbs are digested quickly and used as energy, slow carbs digest through the day
Name a good source of fat.
Fats and oils
What is adhesion?
Molecules of different types attracted to each other.
What step is missing? . . .
Ask a question
Conduct background research
_______________
Test your hypothesis in an experiment
Analyze data
Draw conclusions and communicate them
Construct a hypothesis
How many forms of protein structure are there?
4
Name a good source of carbs
Starch
Name for a lipid polymer
Triglyceride
What is cohesion?
Molecules of the same kind attracted to each other.
What is the difference between precise and accurate?
Precise: Consistent results
Accurate: Closest to accurate results
What protein form is made up of 0 calories?
Nucleic acid.
Polymer for Carbs
polysaccharides
Name a secondary function of lipids
insulation, protection, and structure
What would you expect to happen if you were to mix a hydrophobic substance into a glass of water?
It would remain separated from the water and form a layer on top of or below the water (depending on its density)
What is the difference between an observation and an inference?
Observation: Description of an experience of your senses.
Inference: A guess about an object or outcome.