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
AP Biology Unit 1 Test; Questions & Answers Latest Update 100% Solved CA$21.77   Add to cart
Quickly navigate to
Preview
  2.  
  3. AP Biology
  4.  
  5. AP Biology

Exam (elaborations)

AP Biology Unit 1 Test; Questions & Answers Latest Update 100% Solved

 11 views  0 purchase
  • Course
  • AP Biology
  • Institution
  • AP Biology

AP Biology Unit 1 Test; Questions & Answers Latest Update 100% Solved water Correct answer--polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds Correct answer--opposite ends of the molecule have...

[Show more]

Preview 3 out of 20  pages

Document information

  • August 8, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • ap biology unit 1 test
  • questions answers latest update 100 solved

Written for

  • AP Biology
  • AP Biology

Seller

avatar-seller
GOLDTUTORS

Reviews received

Content preview

AP Biology Unit 1 Test; Questions & Answers Latest
Update 100% Solved
water Correct answer--polar molecule

-polar colvalent bonds

-oxygen end is partial negative and the hydrogens have a partially positive end

-cohesive




polar covalent bonds Correct answer--opposite ends of the molecule have opposite
charges




cohesion Correct answer--H bonding between H2O creates it (sticky)

-allows for the movement of water against gravity

-high surface tension

-water moves up a tree by transpiration (helped by ____)




adhesion Correct answer--H2O molecules form H bonds with other substances

~capillary action

~meniscus

~water climbs up fiber




solvent Correct answer--water is the universal one

-polar water molecules will surround the (+) and (-) ions causing the ions to separate and
dissolve

, AP Biology Unit 1 Test; Questions & Answers Latest
Update 100% Solved
-dissolve solutes and create aqueous solutions




hydrophilic Correct answer--some molecules have an affinity for water

-polar and ionic molecules

-ex: cotton, cellulose, paper




hydrophobic Correct answer--some substances do not have an affinity for water

-nonpolar and non ionic substances

-ex: fat, glycerol, oils




floats Correct answer--less dense when it is solid, water ______

-forms crystal lattice structure

-important because oceans and lakes do not freeze solid

~insulates water below

~seasonal turnover of lakes




specific heat Correct answer--the amount of heat that must be absorbed or lost for 1g to
change its temperature by 1C

-water had high _____ due to H bonding

-resists change in temp

-moderates temp on earth

, AP Biology Unit 1 Test; Questions & Answers Latest
Update 100% Solved

evaporative cooling Correct answer--organisms use to regulate their temperature

-ex: sweating

-water evaporates through a surface, cooling occurs




acidic Correct answer-If [H+]>[-OH]




basic Correct answer-If [-OH]>[H+]




pH scale Correct answer--how acidic or basic a solution is

-pure water, only 1 molecule in every 554 million is dissociated

-most biological fluids have 6-8

-each unit represents a 10-fold difference in H+ and -OH concentrations




neutral Correct answer--If concentration of 2 ions is equal




carbon Correct answer--all life mostly based on this element

-important due to its electron configuration

~able to make 4 stable covalent bonds (tetra valence)

~very versatile

-tetravalence allows them to be strung together in chains

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 GOLDTUTORS. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$21.77. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79223 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$21.77
  • (0)
  Add to cart