Exam (elaborations)
BIOL 1105 - Lesson 3 exam with 100- correct answers 2025.
- Course
- Institution
BIOL 1105 - Lesson 3 exam with 100- correct answers 2025.
[Show more]
Content preview
BIOL 1105 - Lesson 3 exam with100% correct answers 2025
acid
molecule that donates hydrogen ions and increases the
concentration of hydrogen ions in a solution; substance that
dissociates in water to increase the H+ concentration
adhesion
attraction between water molecules and other molecules; Cell
Adhesion - allow one cell to attach to another cell or to the
extracellular matrix; Polarity of water promotes the attraction of
water molecules for other water molecules; Adhesion of water to
charged surface drives capillary action
Previous
Play
Next
Rewind 10 seconds
Move forward 10 seconds
Unmute
0:01
/
0:15
Full screen
Brainpower
Read More
Amphipathic
A molecule that has both a hydrophilic region and a hydrophobic
region; Hydrophobic and hydrophilic regions - amphipathic
molecules
, atom
the smallest unit of matter that retains all of the chemical
properties of an element; consists of a nucleus surrounded by
electrons; An atom is composed of two regions; The nucleus is the
atom's center, contains protons and neutrons; The atom's outermost
region hold the electrons that orbit around the nucleus; All
electrically neutral atoms have the same number of electrons and
protons
atomic mass
calculated mean of the mass number for an element's isotopes;
number under the letter of the element
base
molecule that donates hydroxide ions or otherwise binds excess
hydrogen ions and decreases the hydrogen ions' concentration in a
solution; substance that dissociates to decrease the H+
concentration
bohr model
model of the atom in which electrons move rapidly around the
nucleus in paths called orbits;
buffer
substance that prevents a change in pH by absorbing or releasing
hydrogen or hydroxide ions; resists change to pH
chemical bond
interaction between two or more of the same or different atoms that
results in forming molecules
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 GUARANTEEDSUCCESS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now