Biology random stuff Flashcards
CORMS
Change
Organism
Repeat
Measure
Same
Test for sugar
Benedicts Reagant (heated) changes from blue green to yellow red
Test for starch
iodine turns blue black purpley
Test for protein
biuret solution changes from blue to pink purple
Test for lipids (fats)
Ethanol and water added and a cloudy emulsification formed on top
Muscle cell specialized adaptations
- contract and relax
- lots of mitochondria (to provide energy to contract)
- can store glycogen which is used in respiration
Nerve cell specialized adaptations
- long axon to allow the electrical impulses to travel long distances
- many dendrites to connect to other cells to recieve impulses
- many mitochondria for more energy to form neurotransmitters
Xylem cell adaptations
- lignin is deposited causing cells to die and become hollow and join together forming a tube
- this allows water and mineral ions to flow through continuously thanks to hydrogen bonding
- transpiration stream created thanks to water evaporating at the leaves
Phloem cell adaptations
- cell walls break down to form a sieve plate allowing substances to move from cell to cell
- (mitochondria in)companion cells provide energy to keep cells alive
- transport sucrose and amino acids between leaves and other bits of plant (translocation)
- food substances can be moved both ways up and down the plant
what are proteins made out of (not amino acids)
carbon, oxygen, hydrogen, sulfur, nitrogen and phosphorous.
a solution hypertonic to the cell definition
solution where concentration of sugar of external solution is higher than internal, so water moves out of the cell
a solution hypotonic to the cell definition
solution where concentration of sugar of external solution is lower than internal, so water moves into the cell
mineral ions required for plants
nitrates and magnesium ions
function of nitrates for plants and deficiency
- needed to produce amino acids for proteins
- deficiency causes stunted growth and leaves to go yellow
function of magnesium for plants and deficiency
- needed to produce chlorophyll
- deficiency causes leaves to turn yellow