Unit 1
What are the monomers for proteins?
Amino acids
What transport goes from low to high concentration?
active transport
What is the power house of the cell?
mitochondria
What are the 3 phases of the signal traduction pathway?
Reception, Transduction, Response
What was the name of the actor who played Jack Dawson in Titanic?
Leonardo dicaprio
What are the functions for lipids?
Insulation, energy storage, cell membrane, signaling molecules
What is selective permeability ?
Only certain molecules are allowed in or out of the cell
What does the rough er do?
protein synthesis
What is the difference between genotype and phenotype?
Genotype= genetic makeup
Phenotype= physical characteristic
Which European nation was said to invent hot dogs?
hot dogs
What is water attraction called, and what is water repulsion called as well?
cohesion and adhesion
What does simple diffusion require?
Small non polar molecules
.
Plant cells have this but humans cells do not
Cell wall, chloroplast
Which process has genetically identical DNA and the other has genetically different DNA?
Mitosis= Genticially identical DNA
meiosis = genticially different DNA
Who is often credited with creating the world’s first car?
Karl Benz
Why can water striders walk on water(Water Specific)?
surface tension
A positive % change in mass results when a cell is placed in a ? negative % in mass results in a ?
Hypotonic solution = positive
Hypertonic solution= negative
What cell organelles are critical for cell life?
Cell membrane, ribosomes
What is the cell response dependent on?
Environmental factors
Which country produces the most coffee in the world?
Brazil
What are all macromolecules?
Carbohydrates, Nucleic Acids, Lipids, proteins
A phopholipid has what type of head and tails?
Polar hydrophilic head
Nonpolar hydrophobic tails
What is the relationship between surface and cell size?
Bigger cells have less surface area while smaller cells have bigger surface area
What type of ligand can pass through the cell membrane and what does it bind with? And can not?
Nonpolar hydrophobic ligand can pass through cell membrane so bind with intracellular receptor
Polar hydrophobic ligand can not pass through the cell membrane so must bind to transmemberane receptor
About how many taste buds does the average human tongue have?
10,000