Chapter 2 Test Anatomy Basic Chemistry
Proteins are synthesized from ____________ during synthesis reactions.
Amino acids
The hydrolysis of proteins produces these building blocks
Amino acids
Which of the following is a protein?
Antibody
Nerve impulses involve the flow of an electrical current, a type of energy known as __________ energy.
Electrical
Carbohydrates are classified as inorganic compounds.
False
Glucose and fructose are classified as disaccharides.
False
Collagen and keratin are examples
Fibrous proteins
Also known as functional proteins
Globular proteins
Antibodies, some hormones, and enzymes are examples
Globular proteins
Which carbohydrate is also known as blood sugar?
Glucose
Which polysaccharide is formed of linked glucose molecules and stored in animal tissues?
Glycogen
What type of bond results when electrons are completely transferred from one atom to another?
Ionic bond
What type of chemical bond is pictured in Figure 2.3?
Ionic bond
Atoms that have lost of gained electrons are known as ________.
Ions
A solution with a pH of 7 ____________.
Is neutral
Which letter represents a carbohydrate polymer?
Label C
Which letter represents a globular protein in its quaternary structure?
Label E
Triglycerides, steroids, and fat-soluble vitamins are examples
Lipids
Anything that has made and takes up space is considered to be _____________.
Matter
Which of the following contains sodium?
NaCl
DNA, RNA, and ATP are examples
Nucleic Acids
Nucleotides are the building blocks for this organic compound group
Nucleic acids
Letter E represents a nucleic acid building block known as a ________ .
Nucleotide
The most common element in the human body is _____________.
Oxygen
Glycogen and starch are examples of a specific category of carbohydrates called __________.
Polysaccharides
The atomic number of an atom is equal to the number of ________ an atom contains.
Protons
An acid is a molecule that releases (donates) __________.
Protons (hydrogen ions)
Atomic mass is equivalent to the number of __________ in an atom.
Protons and neutrons
The building blocks of a triglyceride are _________ .
Three fatty acid chains and one glycerol molecule
The complementary base to adenine in a molecule of DNA is _________.
Thymine
Amino acids are the building blocks for proteins.
True
The number of protons in an atom equals the atomic number for that element.
True
Water is the single most abundant inorganic compound in the human body.
True
Polar molecules, like water, result when electrons are shared __________ .
Unequally bonded between atoms
Which of the following is classified as an inorganic compound?
Water
An atom has 6 protons, 8 neutrons and 6 electrons. It's atomic mass is __________.
14
What is the atomic number of the atom in Figure 2.2 ?
6
Building block is the monosaccharides
Carbohydrates
The most common steroid is ____________ .
Cholesterol
Identify the nucleic acid.
DNA
The reaction sucrose + water - glucose + fructose is an example of an.
Decomposition reaction
The sugar found in DNA is___________.
Deoxyribose
A nucleotide of DNA contain three components: _______, _________, and _________ .
Deoxyribose; a phosphate group; nitrogen-containing base