Bio 1500 - Exam 1 (Mizzou-Bush) Questions And Answers Rated A+ New Update Assured Satisfaction
12 views 0 purchase
Course
Bio 1500 -
Institution
Bio 1500 -
characteristics of the net movement of all molecules? - -is predictable
-directed from high to low concentration
-stops when it reaches equilibrium
what is the First Law of Thermodynamics? - energy can neither be created nor destroyed, but can
change from one form to another
the passive moveme...
Bio 1500 - Exam 1 (Mizzou-Bush)
characteristics of the net movement of all molecules? - -is predictable
-directed from high to low concentration
-stops when it reaches equilibrium
what is the First Law of Thermodynamics? - energy can neither be created nor destroyed, but can
change from one form to another
the passive movement of molecules - diffusion
what type of thermal movements is diffusion driven by? - Brownian
characteristics of individual molecules? - -random, unpredictable motion
-not directed to low concentration
-never stops
how does the diffusion time change with the distance traveled? - diffusion time increases with the
square of the distance
[EXAMPLE] 2x distance equals.... - 4 fold time
[EXAMPLE] 10x distance equals.... - 100 fold time
diffusion works great within what types of cells? except for which cells? - -within cells that
lengthen between 1-100 micrometers
-doesn't work good within axons
the capacity to do work or cause motion - energy
, two types of energy? - kinetic & potential
energy due to motion; includes heat, light, and electricity - kinetic energy
stored energy due to position; includes chemical energy in bonds - potential energy
_______ wavelengths have more energy and ______ have less energy - short; long
which wavelengths can cause cancer? - -gamma rays
-UV rays
-x rays
describe how we perceive colors. - the colors we perceive are based on which wavelengths strike
our eyes.
what happens when light strikes an object? - it can be reflected, transmitted, or absorbed
casting back a light or heat, mirroring or giving back or showing an image - reflection
when energy is transferred to the molecules of the objects - absorption
when something travels over an object to get to its destination - transmission
the process by which light energy is used to make food molecules from CO2 and H2O -
photosynthesis
where does photosynthesis take place? - chloroplasts
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller PatrickKaylian. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
