Lipids
What is the easiest way to determine if you are looking at an unsaturated fatty acid molecule?
What is...
"Kinked" fatty acid tail
What is the definition for Hydrophilic?
Means "water-loving", dissolves well in water, made of polar molecules or ions
What are carbohydrates made up of?
What is...
Carbon, Hydrogen, & Oxygen
Name 2 functions of proteins....
What is..
help control what enters/leaves cell, carries oxygen to blood, aids in blood clotting, builds hair/fingernails, supports body tissues, digests food molecules, allows muscles to contract.
True or False: Passive Transport involves the movement of materials that does NOT require the cell to use energy.
TRUE
Triglycerides consist of _________ and ______ in their molecule?
What is...
3 fatty acids and glycerol molecule.
What is....
Bases
What are the 3 main types of carbohydrates?
What is..
1. Monosaccharides
2. Disaccharides
3. Polysaccharides
What bond holds amino acids together?
What is...
Peptide bonds
True or false:
Human digestion is not an example of active transport
What is...
False
Whare are the 3 main groups of lipids?
What is...
1. Triglycerides
2. Phospholipids
3. Steroids
True or False: Isotonic conditions have equal concentration inside and outside the cell.
What is...
TRUE
What are known as the "simple sugars"?
What is... Monosaccharides
How many proteins does our body manufacture and how many must we obtain from food sources?
What is..
12 we manufacture and 10 we obtain from diet.
The cell membrane is is best described as:
Permeable, impermeable, semi-permeable
What is..
Semi-permeable
Trans fats have been linked to what type of health disease?
What is...
Heart Disease
Any substance that dissolves well in water is described as..
What is...
Soluble- specifically hydrophilic
What is...
Polysaccharides
True or False: Once the enzyme is used after a catalyst reaction, there is no remains of the enzyme left.
What is....
False
The energy molecule that all cells use (because it is "just the right amount" of energy) is..
What is ...
ATP
What is the process of hydrogenation do?
What is...
food chemists converting vegetable oils into solid fats
Define Osmosis
What is...
The diffusion of water molecules across the cell membrane... OR
The water moves from a side of higher concentration of water to the side of lower concentration of water.
Name the four most important types of macromolecules in organisms......
What are:
1. Carbohydrates
2. Lipids
3. Proteins
4. Nucleic Acids
What conditions affect the activity of enzymes?
What is..
1. changes in temperature
2. changes in acidity (pH)
True or False-
Does Aerobic cellular respiration require oxygen?
What is...
TRUE