Cell
Name a eukaryotic cell without nucleus
RBCs
What are the three types of solutions?
Hypotonic, Hypertonic & Isotonic
The chemical that binds to the active site of an enzyme
substrate
Name 2 types of sugars.
Sucrose, glucose, starch
How is glucose used in plants?
Glucose is used to grow, to obtain energy and to store it as starch.
Which organelle is the primary site of ATP synthesis in eukaryotic cells?
Mitochondria
List all the factors that affect the rate of diffusion.
Concentration gradient, the temperature, the surface area of the membrane, the distance and the type of molecule or ion diffusing
This product forms after the substrates have reacted with one another, before leaving the enzyme.
enzyme/product complex
What are 2 examples of nucleic acids?
DNA and RNA
What is the difference between a source and a sink?
Source: tissue where sugar enters the phloem
Sink: tissue where sugar exits the phloem
organelle without a membrane
Ribosomes
State two examples of diffusion in living organisms.
- movement of oxygen from lungs to blood
- removal of waste
Why are doctors so concerned with extremely high body temperatures (103, 104, etc)?
Important enzymes will denature, harming your body
What are 2 examples of nucleic acids?
Amino Acids
How much water is lost through the stomataof a plant?
90% of water loss
Organelles other than the nucleus that contain DNA include
mitochondria / chloroplast
Through which cell structure do gasses diffuse into and out the leaves of a plant?
What type of macromolecule is an enzyme?
Proteins
Which is bigger? DNA or RNA?
DNA
Organelle where process of photosynthesis takes place
choloroplast
name the outer membrane of plant vacuole
Double jeopardy
These two compounds can readily diffuse through the membrane because of their nonpolar nature.
CO2 and O2
Enzymes lowers activation energy & speeds something up. Another word for this is a ____________.
catalyst
What is the simplest form of nucleic acids?
Double jeopardy
"Plants photosynthesize during the day and respire at night". Is this true of false
False