Homeostasis - CORRECT ANSWER-relative uniformity of the normal body's internal environment.
Negative Feedback - CORRECT ANSWER-negate a change in a controlled condition. (sweat, shiver)
Postive Feedback - CORRECT ANSWER-amplify the change that is occuring (labor pains/contractions).
Struct...
Homeostasis - CORRECT ANSWER-relative uniformity of the normal body's internal
environment.
Negative Feedback - CORRECT ANSWER-negate a change in a controlled condition.
(sweat, shiver)
Postive Feedback - CORRECT ANSWER-amplify the change that is occuring (labor
pains/contractions).
Structure of an atom - CORRECT ANSWER-nucleus-central core of an atom.
proton-positively charged particle in nucleus. electron-negatively charged particle.
neutron-non charged particle in nucleus.
atomic number-number of protons in the nucleus; determines the type of atom.
atomic mass (weight)-number of protons and neutrons combined.
Molecule - CORRECT ANSWER-a group of atoms bound together in a group. (same)
Compounds - CORRECT ANSWER-substances whose molecules have more than one
kind of atom.
Ionic bonds - CORRECT ANSWER-when an atom with one or two electrons donates its
outer shell electrons to the one that needs one or two to become stable (opposites
attract) Salt is an ionic bond.
Covalent bonds - CORRECT ANSWER-forms when atoms share their outer energy to
fill up and become stable. Do not disolve easy in water.
, PH - CORRECT ANSWER-percentage of hydrogen ions.
PH7 is neutral
PH above 7 are basic
PH below 7 are acidic
(Blood is 7.4)
3 main parts of a cell - CORRECT ANSWER-plasma membrane, cytoplasm, and
nucleus
Plasma membrane - CORRECT ANSWER-Serves as the boundary of the cell; protein &
carbohydrate molecules on the outer surface of plasma membrane perform various
functions. Serve as markers that identify cells of each individual or as receptor
molecules for certain hormones.
Ribosomes - CORRECT ANSWER-Protein factories
Endoplasmic Reticulum (ER) - CORRECT ANSWER-Rough ER- receives & transports
reticulum synthesized proteins. Smooth ER- synthesizes lipids and some certain
carbohydrates.
Golgi apparatus - CORRECT ANSWER-(think UPS or FedEx) packages and delivers
proteins from the ER
Mitochondria - CORRECT ANSWER-Powerhouses of the cell (think batteries) create
energy (ATP)
Lysosomes - CORRECT ANSWER-(garbge disposal) a cell's digestive system
Centrioles - CORRECT ANSWER-function in cell reproduction
Cilia - CORRECT ANSWER-move substances over surface of the cell (sweep along)
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 remojudytask. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
