Osmosis
A cell __________ is semipermiable.
Membrane
A _______ is something that helps a chemical reaction happen.
Catalyst
_________ are long polymers made of amino acids.
Proteins
Water moves towards the salt or sugar, which is called the _______.
A) Solute
B) Solvent
A) Solute
True or False:
Fingers wrinkle is water due to a nervous system response to help improve grip and traction in slippery conditions.
True
A _________ is a protein on the surface of a cell that binds to something specific.
a) Receptor
b) Unicorn
c) Hemoglobin
a) Receptor
Whenever there is something like salt or sugar (solute) dissolved in water. The water will always move towards the solute. The water in the experiment is called the _______.
A) Solute
B) Enzyme
C) Solvent
C) Solvent
In biology, the catalysts which are produced by living things are made from _________. We call them enzymes.
a) sugar
b) protein
c) lactose
b) protein
This structural protein is used by animals to make strong tissues like hair, nails, claws, and horns.
Keratin
What does hydrophobic mean? And what does hydrophilic mean?
Hydrophobic = water fearing
Hydrophilic = water loving
A _________ is the molecule an enzyme works on. The enzyme binds to it, changes it, and then releases it.
a) Substrate
b) Receptor
c) Amino
a) Substrate
This globular protein has a round shape and is used by all mammals and birds to carry oxygen and deliver it to other cells.
Hemoglobin
The membranes of animal cells are made of _______________. These molecules have a head that is ____________ (attracted to water) and a tail that is ____________ (water fearing/repelled by water).
Phospholipid
Hydrophilic
Hydrophobic
___________ is a protein that is the most abundant enzyme on our planet. It converts carbon dioxide into a small sugar.
a) Hemoglobin
b) Rubisco
b) Rubisco
Proteins are long polymers made of amino acids. An amino acid is simply a carbon atom with 3 attachments: ________ acids, a _________ group, and a 3rd item that can be anything from hydrogen to an enormously long string of molecules.
a) lactic, enzyme
b) protein, substrate
c) amino, carboxyl
c) amino, carboxyl