Lab 6 Week 7 - Food Macromolecules

Which of the following molecules is NOT a macromolecule?

Glucose

Which one of these groups is an aldehyde

Group A

What is the difference between alpha and beta glucose?

The position of the hydroxyl group on Carbon 1

what is a polymer?

a long molecule that consist of repeating units

Which of the following is a secondary protein structure?

alpha helix

What does insoluble fiber refer to?

cellulose

. Based on the biochemistry tests, Alice's cabbage salad lacks some important macromolecules. What should Alice add to her salad to provide the macromolecules she needs?

eggs and avocado

which of these is a structure of trans fat

group C

Which food contains carbohydrates, proteins and fats?

milk

What do you call a sample, for which no response is expected?

negative control

Amino acids are linked by covalent peptide bonds. The reaction of a peptide bond produces one water molecule. Multiple amino acids are linked together by..

peptide bonds

The sequence of amino acids, or polypeptide, grows from the N-terminus to the C-terminus. The linear sequence of amino acids within a protein is considered the ____ structure of the protein.

primary structure

Benedict's reagent detects the presence of simple sugars in food. What color indicates the presence of a high level of simple sugars?

red

Which level of protein structure is formed by the weak bonds between oxygen and hydrogen atoms within the polypeptide backbone?

secondary structure

Which of the following is a carbohydrate?

sucrose

A positive control is a sample known to give positive results for the given test. What is the purpose of a positive control?

verify the negative results are valid

Which of the samples contains no macromolecules at all?

water

. What forms after the glycosidic linkage reaction between glucose and galactose is complete?

water and lactose

. Was your hypothesis right: Alice's food contains mostly complex carbohydrates.

yes, my hypothesis was correct

Look at all this food. Are we allowed to eat it after the experiment?

No, we shouldn't eat the food in the lab

lipids are mostly composed of?

Non-polar