Vocabulary
A dipeptide contains how many amino acids?
2
In order to digest something, what is physically happening to the molecules?
bonds breaking
Who is responsible for hunting in lion prides?
females
What are the atoms that are found in proteins, carbohydrates, and lipids?
C, H, O
What is the monomer of a nucleic acid?
covalent bonds
If there are 7 amino acids in a protein, how many bonds will be broken to separate the individual amino acids?
6
Prey Cost to hunt Available energy
Meerkat -3,000 +1,000
Warthog -5,000 +12,000
Wildebeest -10,000 +25,000
Zebra -55,000 +170,000
If a lion can only use 15,000 kcal to hunt, can it hunt a wildebeest? SHOW YOUR WORK.
yes
What are the elements found in protein?
C, H, O, N
A polypeptide is what macromolecule?
protein
A polysaccharide contains ____________ sugars.
many
If there is a protein with 6 amino acids and it takes 10 kcal of energy to break each bond, how much total energy is required to break all the bonds?
50 kcal
Prey Cost to hunt Available energy
Meerkat -3,000 +1,000
Warthog -5,000 +12,000
Wildebeest -10,000 +25,000
Zebra -55,000 +170,000
What is the NET energy gain from killing 2 wildebeests?
+30,000 kcal
The monomer of a carbohydrate is...
monosaccharide
How many atoms are in this molecule?
C14H20NO6
41
When bonds are broken during digestion, the science word for this is __________________.
hydrolysis
An elephant is unable to get _______________ directly from cellulose in its diet.
nitrogen
Biuret (protein) + = purple
- = blue
Iodine (polysaccharide) + = black
- = yellow
Lipids + = see through spot
- = no spot
A sample tests purple, yellow, and has a see through spot. What macromolecules does it contain?
protein and lipids
Amino acids
What is the monomer of lipids?
Fatty acid tails and glycerol backbone