100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
biological molecules (PAG) Cell level systems Biology GCSE Questions and Answers $8.49   Add to cart

Exam (elaborations)

biological molecules (PAG) Cell level systems Biology GCSE Questions and Answers

 2 views  0 purchase
  • Course
  • Biological Molecules
  • Institution
  • Biological Molecules

biological molecules (PAG) Cell level systems Biology GCSE Questions and Answers

Preview 1 out of 2  pages

  • November 5, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biological Molecules
  • Biological Molecules
avatar-seller
lectknancy
biological molecules (PAG) Cell level
systems Biology GCSE Questions and
Answers
Qualitative reagent - Answer-A substance used in chemical analysis to test for the
presence of specific molecules

Qualitative - Answer-Relates to measuring the quality of something rather than its
quantity

Benedict's reagent - Answer-When heated will turn from blue to a brick-red precipitate in
the presence of reducing sugars

Results for Benedict's reagent - Answer-The solution will change from blue to green to
yellow to brick-red depending on the level of reducing sugars present

Biuret reagent - Answer-Turns from blue to purple in the presence of proteins

Iodine test - Answer-Turns from orange to blue-black in the presence of starch

Ethanol and water - Answer-When shaken will turn from colourless to a milky-white
emulsion in the presence of lipids

Sudan III - Answer-When shaken will turn from brick-red to a red-stained oil layer in the
presence of lipids

Carbohydrates - Answer-Provide energy for chemical reactions and can break down
into sugars

Reducing sugars - Answer-A sugar such as glucose or fructose that can act as a
reducing agent

Lipids - Answer-An energy store of fats and oils that can break down into glycerol and
fatty acids

Proteins - Answer-The building blocks of cells and tissues that can break down into
amino acids

Precipitate - Answer-Deposits of solid in a solution

Mortar and pestle - Answer-Devices used for crushing and grinding up food substances

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 lectknancy. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $8.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

80467 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
$8.49
  • (0)
  Add to cart