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Worksheets23-24 Biology: b) Lipids, Protein Folding, Enzymes, Digestive
Total questions: 16
Worksheet time: 11mins
What element(s) are primarily found in hydrophobic R-groups? (mark all that apply)
H
C
O
N
If a polypeptide chain is placed in water, where would hydrophobic groups go?
Towards the outside edges
Towards the inside middle
Both outside and inside
Depends where the covalent bonds are
What would be a factor in determining the final shape of a protein?
Temperature of the solution the protein is in
Number of carbohydrates present
How many of the same protein is present
How many different proteins are present
What type of lipid is in the image?
Trans-unsaturated
Cis-unsaturated
Trans-saturated
Cis-saturated
Which food is likely to NOT contain trans fats?
Store-bought fish
Store-bought pastries
Store-bought fries
Store-bought popcorn
Enzymes speed up reactions by lowering its (a) .
Denaturing an enzyme would cause the (a) to change, causing the substrate unable to bind.
Lactase is combined with lactose to run its reaction. What is the substrate(s)? (mark all that apply)
Lactase
Lactose
Glucose
Galactose
A reaction tube contains lactase and lactose. It is sealed off with a balloon. What would you expect to find in the test tube? (mark all that apply)
Lactase
Glucose
Galactose
Inflated balloon
Which organ(s) actively conduct mechanical digestion? (mark all that apply)
mouth
esophagus / epiglottis
stomach
small intestine
Which organ(s) release an enzyme to digest nucleic acids? (mark all that apply)
pancreas
liver / gallbladder
small intestine
stomach
What are the products after a protease enzyme does its function?
peptides
amino acids
maltose
nucleotides
Mixed material that has been ingested beginning in the stomach and moving through the intestines is called (a) .
Which organ provides the most diversity in enzymes breaking down different macromolecules?
pancreas
small intestine
stomach
mouth
Where does the majority of water absorption from chyme occur?
large intestine
small intestine
stomach
liver
What does sucrose break down into? (mark all that apply)
glucose
fructose
galactose
maltose
