Water
Cell Transport
Macromolecules
Mystery 1
Mystery 2
100
Water has two positively charged hydrogens and a negatively charged oxygen. This is called __________.
polarity
100
What type of transport is being shown here?
Facilitated Diffusion (Passive Transport)
100
All macromolecules are large molecules called polymers that are made up of smaller building blocks called....
monomers
100
Which macromolecule is important for supplying energy for the body quickly?
Carbohydrates
100
In the egg lab, what was the independent variable?
Type of solution
200
Plants use __________ to transport water up from the ground to all parts of the plant.
CAPILLARY ACTION - This also utilizes the properties of cohesion and adhesion.
200
What type of transport is being shown here?
Active Transport (protein pump)
200
What are all macromolecules made of that makes them organic molecules? Name the 2 elements.
Hydrogen & Carbon
200
Molecules will start to equalize or spread out evenly over time because they move from high concentration to low concentration in diffusion. The goal of this is to maintain stable conditions called ______
Homeostasis
200
What will happen to a cell with a 5% solute concentration if it is placed in a solution with a 15% solute concentration?
It will shrink/shrivel
300
Water is able to stick together with other water molecules with a ___________ bond. This is ___________.
hydrogen - cohesion
300
Which molecules are the phospholipid bi-layer impermeable to? (Which ones can't go through?)
Amino Acids
300
The monomers or building blocks of nucleic acids are nucleotides, and the monomers of proteins are _____
amino acids
300
What is this structure in the cell membrane?
Protein Channel
300
Which type of cell transport is carried out by a protein pump, and does it require energy?
Active transport; yes
400
Water's polarity (positive and negative charges) allows it to dissolve or break down many substances, like sugar. What property does this describe?
universal solvent
400
ATP is sometimes used to move molecules out of the cell. Which cell - A or B - is NOT using ATP energy (passive transport)?
Cell B - moving high to low does not require ATP energy
400
When you eat carbohydrates, your body converts food energy into chemical energy in this organelle
mitochondria
400
Sugar is dropped into a beaker full of water. Which beaker shows the correct distribution of sugar dissolved in the water?
4
400
The cell membrane is constantly moving and is composed of many molecules. What is this called?
Fluid mosaic model
500
Water covers 70% of the earth. Water's specific heat allows the planet to moderate temperature. This is important because...
it keeps the planet's temperature from getting too hot (overheating) as a result of climate change
500
1 2 3
In which beaker would the artificial cell gain the most water (swell or get bigger)?
1 - 0% sugar outside the cell
500
_____ work to maintain balance and homeostasis in our bodies by speeding up or catalyzing chemical reactions.
enzymes
500
Which property of water allows solid ice to float on liquid water?
Density
500
What are the two processes called that take large amounts of material into a cell and out of a cell?
Endocytosis and exocytosis