100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
SBI4U Grade 12 Biology Ontario Curriculum Energy and Enzymes Notes CA$10.82   Add to cart
Quickly navigate to
Preview
  2.  
  3. Ontario High School Curriculum
  4.  
  5. Biology
  6.  
  7. SBI4U (SBI4U)

Study guide

SBI4U Grade 12 Biology Ontario Curriculum Energy and Enzymes Notes

2 reviews
 137 views  0 purchase

Enjoy these detailed notes, directly from the Ontario Secondary School Grade 12 Curriculum, focussing on SBI4U! These extensively detailed notes should help you if you're studying for an exam or just love biology! Good luck!

Preview 1 out of 4  pages

Document information

  • February 24, 2020
  • 4
  • 2017/2018
  • Study guide

Subjects

Connected book

book image

Book Title:

Author(s):

  • Edition:
  • ISBN:
  • Edition:

More summaries for

All for this textbook (11)

Written for

All documents for this subject (10)

2  reviews

review-writer-avatar

By: cvlod • 2 year ago

review-writer-avatar

By: naiyasworld7 • 3 year ago

Seller

avatar-seller
hassanalibhai

Reviews received

Content preview

Energy and Enzymes Test Notes 2017-03-03
Hassan Alibhai Page EE1

Thermodynamics
• Metabolism is the collective name for all chemical reacting that occurs inside the cell.
• Energy is the ability to do work
◦ Kinetic: the energy of motion → thermal, mechanical, electrical
◦ Potential: stored energy → gravitational, chemical

Laws of Thermodynamics
• First Law → The Law of Conservation of Energy: energy can never be created or destroyed, but
simply transferred from one form to another.
• Second Law → Energy cannot be transferred from one form to another with a loss of useful
energy.
◦ Energy transfer increases the entropy (the measure of the tendency for a system to become
unorganized) of the universe.

Applying the Laws

Exothermic (Exergonic) Reactions Endothermic (Endergonic) Reactions
• Products bonds >stable Reactants bonds • Reactant bonds >stable Product bonds
• Releases energy • Requires an input of energy
• Δ G < 0 (spontaneous) • Δ G > 0 (non-spontaneous)




• Interpret H as G in this diagram
• Interpret H as G in this diagram
• In the above diagrams, EA is the activation energy: the input of energy that a reaction requires
to begin with.
◦ When the reaction reaches the activation energy (this is immediate in the case of an
exothermic reaction), the products reach the transition state.
◦ This is where anabolic (creation of bonds) or catabolic (breaking bonds) reactions occur.
◦ Enzymes lower the EA required, speeding up the reaction (they don’t react though)
◦ The catalyst does not affect Δ G , rather it decreases the potential energy in the transition
state causing more molecular collisions to occur in the form of kinetic energy.
▪ A greater proportion of products is therefore formed much faster
◦ Reduces the EA when the amino side groups interact with the substrate, breaking bonds

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 hassanalibhai. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$10.82. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75323 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$10.82
  • (2)
  Add to cart