Chemistry of life

Descripción

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
Test por MacKenzie Fulton, actualizado hace más de 1 año
MacKenzie Fulton
Creado por MacKenzie Fulton hace casi 2 años
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Resumen del Recurso

Pregunta 1

Pregunta
what is the definition of polar molecules?
Respuesta
  • 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

Pregunta 2

Pregunta
The types of surface tention
Respuesta
  • adhesive
  • covalent
  • monacious
  • cohesive

Pregunta 3

Pregunta
What is cohesive surface tension?
Respuesta
  • water on electricity
  • water on plastic
  • water on water
  • water on metal

Pregunta 4

Pregunta
What is adhesive surface tension?
Respuesta
  • water on fabric
  • water to another polar molecule
  • water on water
  • water on paper

Pregunta 5

Pregunta
Transportation - the [blank_start]loss[blank_end] of [blank_start]water[blank_end] from plants
Respuesta
  • loss
  • gain
  • water
  • sunlight

Pregunta 6

Pregunta
high specific heat - accepts temp change
Respuesta
  • True
  • False

Pregunta 7

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

Pregunta 8

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

Pregunta 9

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

Pregunta 10

Pregunta
acid is made from...
Respuesta
  • excess hydroxide ions H+
  • excess hydroxyl ions H-

Pregunta 11

Pregunta
base is made from...
Respuesta
  • excess hydroxide ions H+
  • excess hydroxyl ions H-

Pregunta 12

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

Pregunta 13

Pregunta
macromolecules of life
Respuesta
  • carbohydrates
  • proteins
  • lipids
  • nucleic acids

Pregunta 14

Pregunta
carbohydrates are...
Respuesta
  • meat
  • water
  • fats
  • energy

Pregunta 15

Pregunta
[blank_start]condensation[blank_end] and [blank_start]dehydration[blank_end] reactions link molecules together
Respuesta
  • condensation
  • compensation
  • dehydration
  • hyper hydration

Pregunta 16

Pregunta
hydration reactions break molecules apart
Respuesta
  • True
  • False

Pregunta 17

Pregunta
disaccharide - transport form of ________
Respuesta
  • carbohydrate
  • lipids
  • protein
  • nucleic acid

Pregunta 18

Pregunta
disaccarides
Respuesta
  • sucrose
  • mallose
  • lactose
  • glucose

Pregunta 19

Pregunta
polysaccarides
Respuesta
  • glycogen
  • water
  • starch
  • metal

Pregunta 20

Pregunta
starch - storage form in [blank_start]plants[blank_end]
Respuesta
  • plants
  • animals

Pregunta 21

Pregunta
glycogen - storage form in [blank_start]animals[blank_end]
Respuesta
  • animals
  • plants

Pregunta 22

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

Pregunta 23

Pregunta
monosaccharides are [blank_start]simple[blank_end]
Respuesta
  • simple
  • complex
  • quite complex
  • super super complex

Pregunta 24

Pregunta
disaccharides are [blank_start]a little more complex[blank_end]
Respuesta
  • a little more complex
  • simple
  • quite complex
  • super super complex

Pregunta 25

Pregunta
polysaccharides are [blank_start]quite complex[blank_end]
Respuesta
  • quite complex
  • simple
  • complex
  • super super complex

Pregunta 26

Pregunta
structural polysaccharides are [blank_start]super super complex[blank_end]
Respuesta
  • super super complex
  • simple
  • complex
  • quite complex
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