Test 2 Chapter 7 Kahoot Flashcards
Carbohydrates always contain the elements carbon, hydrogen, and __________
Oxygen
Monosaccharides can be linked together by _______ bonds to form disaccharides and polysaccharides.
Glycosidic bonds
Peptidoglycan is composed of _________
Proteins and carbohydrates
We can chew the strings of celery, but never digest them. This is because of the carbohydrate starch. T/F
False
You sweeten your morning coffee with _________
Sucrose
The most abundant monosaccharide is ________
Glucose
Molecules having both polar and nonpolar groups are said to be _______________
Amphipathic
Lipids are water soluble. T/F
False
Olive oil is a liquid at room temperature. This is an example of an unsaturated fat. T/F
True
A cholesterol group may be bound to the phosphate head of a phospholipid. T/F
False
_______ is a sterol unique to fungi
Ergosterol
The lipid which includes a fused ring structure is a _______
Steroid
Which of the following varies among different amino acids?
R- Groups or side chain
The sequence of amino acids in a protein is known as the _________
Primary Structure
Hemoglobin contains protein groups and nonprotein groups. It is therefore a ____________ Protein
Conjugated
Collagen is composed of three different protein chains. This is an example of quaternary structure. T/F
True
Which level of protein structure will be affected first when a protein is denatured?
Tertiary
The level of protein organization that includes a “pleated” shape is the _____________ level of organization
Secondary
The ___________ gives each amino acid its unique properties.
R-Group or Side Chain
Carbon is a micronutrient. T/F
False
Cystine is found in asparagus and may cause the urine to have a “sulfurous” odor. What causes this?
The sulfhydryl functional group
Which of the following functional groups is unique to proteins?
Amino Functional Group
The four major classes of macromolecules include nucleic acids, carbohydrates, lipids, and ___________
Proteins
How many single bonds can carbon make?
Four
