Which property of water allows it to move upward from the roots of a tree to its leaves?
Question 2
2.
There are several emergent properties of water that contribute its powerful affect on living organisms. These emerging properties are mostly due to:
Question 3
3.
What determines the polarity of a molecule?
Question 4
4.
Which property of water would be most affected if hydrogen bonding did not occur?
Question 5
5.
How does the hydrogen bonding in water affect its role as a solvent in chemical reactions?
Question 6
6.
Which type of chemical bond involves the transfer of electrons from one atom to another, resulting in oppositely charged ions that are attracted to each other?
Question 7
7.
Which of the following molecules is a carbohydrate?
Question 8
8.
Which of the following in NOT a class of organic compounds that are central to life on Earth:
Question 9
9.
Which of the following combination is TRUE
Question 10
10.
What is the primary characteristic that distinguishes organic compounds from inorganic compounds?
Question 11
11.
Which of the following would have the highest pH
Question 12
12.
Which of the following is NOT a monosaccharide?
Question 13
13.
In a solution of pH 12, what can you conclude about its acidity and ion concentration?
Question 14
14.
What is the main structural difference between ribose and deoxyribose?
Question 15
15.
There are four levels of protein structure. Which level includes the coils of the α helix and the folds of the β pleated sheets?
Question 16
16.
What is the best definition of a monomer?
Question 17
17.
Which functional group(s) in amino acids is involved in forming peptide bonds during protein synthesis? (CHOOSE TWOOOOOOO)
Question 18
18.
What is the role of the R-group (side chain) in amino acids?
Question 19
19.
Which of the following statements about the hydrogen atom in an amino acid is true?
Question 20
20.
What is the name of the bond that forms between the carboxyl group of one amino acid and the amino group of another?
Question 21
21.
What defines the primary structure of a protein?
Question 22
22.
What type of bonding is primarily responsible for the secondary structure of proteins?
Question 23
23.
Which of the following is an example of a secondary structure in proteins?
Question 24
24.
The tertiary structure of a protein is determined by:
Question 25
25.
What determines the function of a protein?
Question 26
26.
Lipids (such as triglycerides) has primary functions of all the following EXCEPT:
Question 27
27.
Triglycerides are made of a glycerol backbone with three fatty acid chains that are bonded together by removing three molecules of water which means it is bonded together by:
Question 28
28.
Which of the following do nucleic acids NOT contain?
Question 29
29.
What is the primary difference between saturated and unsaturated fats?
Question 30
30.
Which of the following macromolecules is made up of amino acid monomers?
Solvent of life
Hydrophobic properties
Water's ability to moderate pH
The buffering ability of water
The hydrogen bonds linking water molecules together
The molecular weight of the compound
The physical state of the molecule (solid, liquid, gas)
The total number of bonds in the molecule
Its pH level
Its radioactivity
It makes water unable to dissolve any substances
It enables water to act as a universal solvent for many polar and ionic compounds
It allows water to dissolve only non-polar molecules
Hydrogen bond
Van der Waals interactions
Peptide bond
Lactose
Insulin
Lipids
Carbohydrates
Dehydration synthesis bonds amino acids while hydrolysis breaks bonds apart.
Dehydration synthesis and hydrolysis are similar because they both break amino acids apart by removing water molecules
Dehydration synthesis add hydrogen bonds to hydrolic amino acids
The presence of ionic bonds
The ability to form crystals
The presence of metallic elements
Lemonade
Milk
Sucrose
Ribose
It's a neutral solution with equal hydrogen and hydroxide ion concentrations
It's a weak acid with moderate hydrogen ion concentration
The pH value alone is not sufficient to draw conclusions about ion concentrations
Deoxyribose has a double bond in its structure, whereas ribose does not
Ribose is found only in DNA, while deoxyribose is found only in RNA
Ribose is a six-carbon sugar while deoxyribose is a five-carbon sugar
Tertiary structure
Quaternary structure
Every protein level include α helix and β pleated sheets
A molecule that breaks down into simpler substances during chemical reactions
A molecule that exists in a gaseous state at room temperature
A molecule that does not react with other molecules in a chemical reaction
Hydrogen atom
Hydroxyl group
Amino group
It defines the chemical identity and properties of each amino acid
It forms the peptide bonds between amino acids
It is the site where amino acids bond to form polymers
It provides a reference point for determining the amino acid's unique make up.
It differentiates amino acids from one another
it affects the overall charge of the amino acid
Chaperone bond
Peptide bond
The folding pattern of alpha-helices and beta-sheets
The interaction between multiple polypeptide chains