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Chemistry of life

Description

this quiz is about the chemistry of life such as water and macromolecules, this is being made for my upcoming quiz for the subject, enjoy ig :)
MacKenzie Fulton
Quiz by MacKenzie Fulton, updated more than 1 year ago
MacKenzie Fulton
Created by MacKenzie Fulton over 2 years ago
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Resource summary

Question 1

Question
what is the definition of polar molecules?
Answer
  • the reason birds are attracted to red flowers and bees are attracted to yellow and blue ones
  • the unequal sharing of covalent bonding
  • molecules found at the north and south poles
  • molecules that bond with other molecules based on which type they are

Question 2

Question
The types of surface tention
Answer
  • adhesive
  • covalent
  • monacious
  • cohesive

Question 3

Question
What is cohesive surface tension?
Answer
  • water on electricity
  • water on plastic
  • water on water
  • water on metal

Question 4

Question
What is adhesive surface tension?
Answer
  • water on fabric
  • water to another polar molecule
  • water on water
  • water on paper

Question 5

Question
Transportation - the [blank_start]loss[blank_end] of [blank_start]water[blank_end] from plants
Answer
  • loss
  • gain
  • water
  • sunlight

Question 6

Question
high specific heat - accepts temp change
Answer
  • True
  • False

Question 7

Question
acid is which numbers on the pH scale
Answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

Question 8

Question
On the pH scale, where is water?
Answer
  • 0-6 acid
  • 7 natural
  • 8-14 base

Question 9

Question
base is which numbers on the pH scale?
Answer
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14

Question 10

Question
acid is made from...
Answer
  • excess hydroxide ions H+
  • excess hydroxyl ions H-

Question 11

Question
base is made from...
Answer
  • excess hydroxide ions H+
  • excess hydroxyl ions H-

Question 12

Question
what do buffers do?
Answer
  • buffers resist shifts in pH and keep neutral
  • buffers accept shifts so bases can become acids and acids can become bases

Question 13

Question
macromolecules of life
Answer
  • carbohydrates
  • proteins
  • lipids
  • nucleic acids

Question 14

Question
carbohydrates are...
Answer
  • meat
  • water
  • fats
  • energy

Question 15

Question
[blank_start]condensation[blank_end] and [blank_start]dehydration[blank_end] reactions link molecules together
Answer
  • condensation
  • compensation
  • dehydration
  • hyper hydration

Question 16

Question
hydration reactions break molecules apart
Answer
  • True
  • False

Question 17

Question
disaccharide - transport form of ________
Answer
  • carbohydrate
  • lipids
  • protein
  • nucleic acid

Question 18

Question
disaccarides
Answer
  • sucrose
  • mallose
  • lactose
  • glucose

Question 19

Question
polysaccarides
Answer
  • glycogen
  • water
  • starch
  • metal

Question 20

Question
starch - storage form in [blank_start]plants[blank_end]
Answer
  • plants
  • animals

Question 21

Question
glycogen - storage form in [blank_start]animals[blank_end]
Answer
  • animals
  • plants

Question 22

Question
structural forms in plants is [blank_start]cellulose[blank_end] and in animals is [blank_start]chitin[blank_end]
Answer
  • cellulose
  • chitin
  • chitlins
  • cytoskeleton

Question 23

Question
monosaccharides are [blank_start]simple[blank_end]
Answer
  • simple
  • complex
  • quite complex
  • super super complex

Question 24

Question
disaccharides are [blank_start]a little more complex[blank_end]
Answer
  • a little more complex
  • simple
  • quite complex
  • super super complex

Question 25

Question
polysaccharides are [blank_start]quite complex[blank_end]
Answer
  • quite complex
  • simple
  • complex
  • super super complex

Question 26

Question
structural polysaccharides are [blank_start]super super complex[blank_end]
Answer
  • super super complex
  • simple
  • complex
  • quite complex
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