Biology 1080

Charlie Kirkham
Quiz by Charlie Kirkham, updated more than 1 year ago
Charlie Kirkham
Created by Charlie Kirkham about 3 years ago
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Description

Biology 1080 final practice quiz.

Resource summary

Question 1

Question
The lowest level of biological organization considered alive is the
Answer
  • cell
  • macromolecule
  • atom
  • proton

Question 2

Question
In general, the job of a buffer is to
Answer
  • make a solution less basic
  • maintain pH homeostasis
  • disrupt pH homeostasis
  • make a solution less acidic

Question 3

Question
pH describes the concentration of
Answer
  • Hydrogen ions (H+)
  • Water molecules relative to ions
  • Hydrogen gas (H2)
  • Hydroxide ions (OH-)

Question 4

Question
Water molecules form hydrogen bonds and "stick to each other because
Answer
  • the hydrogen atoms carry partial positive charges.
  • the oxygen atom carries a partial negative charge.
  • it is highly polar.
  • all of the above

Question 5

Question
Each atom of a given element always has the same number of
Answer
  • protons
  • neutrons
  • isotopes
  • electrons
  • ions

Question 6

Question
How is evolution different from the other characteristics of life?
Answer
  • It takes a long time
  • It operates differently for different species
  • It occurs in populations, not individuals
  • It only occurs in multicellular organisms

Question 7

Question
The bond between monomers in lipids is the
Answer
  • Glycosidic linkage
  • Peptide bond
  • Phosphodiester bond
  • Ester bond

Question 8

Question
How is carbohydrate use similar or different between plants and animals? Select the true statement below.
Answer
  • In animals, carbohydrates only have a structural role, while in plants, carbohydrates are used to store energy
  • Carbohydrates only have a structural role in both plants and animals
  • Carbohydrates play a structural role and an energy role in both plants and animals.
  • In animals carbohydrates only function in energy story, while in plants, carbohydrates only have a structural role,

Question 9

Question
How do phospholipids interact with water molecules?
Answer
  • The polar heads avoid water; non-polar tails attract water
  • The polar heads interact with water; the non-polar tails do not.
  • Phospholipids don't interact with water because water is polar and lipids are non-polar.
  • Phospholipids dissolve in water.

Question 10

Question
The ɑ-helix and ꞵ pleated sheet are examples of which type of protein structure?
Answer
  • Primary
  • Secondary
  • Tertiary
  • Quaternary

Question 11

Question
Reactions that use a water molecule to break a large molecule into smaller subunits are called reactions.
Answer
  • Condensation
  • Hydration
  • Hydrolysis
  • Dehydration synthesis

Question 12

Question
Which type of structure would result in a functional protein?
Answer
  • Primary
  • Secondary
  • Tertiary
  • Denatured

Question 13

Question
The monomer of carbohydrates is the
Answer
  • Monosaccharide
  • Amino Acid
  • Fatty Acid
  • Nucleotide
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