Cells Practice Test Questions Study
Guide
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Cells Practice Test Questions Study Guide.pdf Cells Practice Test Questions Study Guide.pdf Cells Practice Test Questions Study Guide.pdf
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Terms in this set (30)
Which list correctly names the four major 1. A
macromolecules?
A. Sugars, fats, salts, DNA
B. Amino acids, nucleotides, triglycerides, glucose
C. Carbohydrates, lipids, proteins, nucleic acids
D. Water, proteins, carbohydrates, ions
The monomer of a protein is a: 1. C
A. Fatty acid
B. Monosaccharide
C. Amino acid
D. Nucleotide
Which pairing is correct for nucleic acids? 1. B
A. Monomer: amino acid; Polymer: enzyme
B. Monomer: nucleotide; Polymer: DNA/RNA
C. Monomer: glucose; Polymer: starch
D. Monomer: glycerol; Polymer: triglyceride
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A correct example of a carbohydrate polymer is: A. A
Glycogen B. Triglyceride C. Hemoglobin D. DNA
Which is a primary function of lipids in the body? 1. B
A. Store and transmit genetic information
B. Form cell membranes and long-term energy storage
C. Speed up chemical reactions by lowering activation
energy
D. Build ribosomes and splice RNA
"Amphipathic" phospholipids have: C
A. Only hydrophobic regions
B. Only hydrophilic regions
C. A hydrophilic head and hydrophobic tails
D. Two hydrophilic tails and one hydrophobic head
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, Cells practice test questions.pdf Cells practice test questions.pdf Cells practice test questions.pdf
The plasma membrane is best described as a: C
A. Single layer of phospholipids with no proteins
B. Rigid wall made of cellulose
C. Phospholipid bilayer with embedded proteins and
cholesterol
D. Protein sheet coated with carbohydrate
In the "fluid mosaic model," the "mosaic" refers mainly B
to:
A. The uniform arrangement of identical lipids
B. The patchwork of different proteins and lipids in the
membrane
C. The immobility of the membrane
D. The rigid carbohydrate wall around the cell
Cholesterol in animal cell membranes primarily: B
A. Makes the membrane equally fluid at all temperatures
without change
B. Prevents any movement of proteins in the membrane
C. Buffers fluidity (reduces fluidity at high temps,
prevents solidifying at low temps)
D. Replaces phospholipids to form a cholesterol bilayer
Cells practice test questions.pdf Cells practice test questions.pdf Cells practice test questions.pdf