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The Human Body: Biochemistry Flashcards | StudBud
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The Human Body: Biochemistry
The Human Body: Biochemistry
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Chapter 2: Chemistry Comes Alive
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
An element with the same number of protons but different number of neutrons.
Cation
Anion
Isotope
Compound
2
Water sticking together to form raindrops is demonstrating what property?
Surface tension
Hydrogen bond
Adhesion
Cohesion
3
A substrate is the molecule on which enzymes act.
True
False
4
What is the main element found in ALL organic molecules?
Hydrogen
Carbon
Nitrogen
Oxygen
5
What is a proteome?
Two proteins
A peptide bond
DNA
Full set of proteins made by the body
6
Level of protein synthesis represented by coiling of protein chain backbone into alpha-helix?
Tertiary structure
Quatenary structure
Secondary structure
Primary structure
7
The molecule above is
A saturated fat
An unsaturated fat
Liquid at room temperature
None of these
8
What contains sugars, phosphates, and nitrogen bases?
Carbohydrates
Nucleic acids
Proteins
Lipids
9
Lipids are hydrophilic and polar.
True
False
10
Polysaccharides are
Proteins
Lipids
Unsaturated fat
Carbohydrates
11
_____ protect all cells by forming a membrane.
Nucleic acids
Carbohydrates
Proteins
Lipids
12
The smallest unit of matter is a(n)
Element
Molecule
Micro-molecule
Atom
13
What are bonds created by one atom transferring electrons to another called?
Hydrogen
Covalent
Non-covalent
Ionic
14
What is the most common lipid?
Polysaccharide
Triglyceride
Monosaccharide
Nucleotides
15
Which of the following is a carbohydrate?
DNA
Insulin
Wax
Sucrose
16
Large chains of single units are called
Monomers
Polymers
Disaccharide
Molecules
17
What is the monomer of a protein?
Carbohydrate
Amino acid
Dipeptide
Nucleic acid
18
DNA is a
Double helix
Single helix
Quadruple helix
Triple helix
19
What are inorganic molecules?
Contain carbon with C-H bonds
Contain hydrogen only
Contains carbon only
Contain carbon but not C-H bonds
20
Can an enzyme be reused?
Yes
No
