, cells - Answer: the basic units from which living organisms are made; consists of an aqueous solution of
organic molecules enclosed by a membrane
micrometer - Answer: unit of length equal to one millionth (10-6 of a meter)
DNA - Answer: double-stranded polynucleotide formed from two separately linked chains of covalently
linked deoxyribonucleotide units. It serves as the cell's store of genetic information that is transmitted
from generation to generation
RNA - Answer: molecule produced by the transcription of DNA; usually single stranded, it is a
polynucleotide composed of covalently linked ribonucleotide subunits. Serves a variety of structural,
catalytic, and regulatory functions in cells
evolution - Answer: process of gradual modification and adaptation that occurs in living organisms over
generations
genome - Answer: the total genetic information carried by all the chromosomes of a cell or organism
microscope - Answer: instrument for viewing extremely small objects
cytoplasm - Answer: contents of a cell that are contained within its plasma membrane but, in the case of
eukaryotic cells, contained outside the nucleus
nanometer - Answer: unit of length that represents 10-9 meter; commonly used to measure molecules
and organelles
organelle - Answer: a discrete structure or subcompartment of a eukaryotic cell that is specialized to
carry out a particular function. Examples include mitochondria and the golgi apparattus
eukaryote - Answer: an organism whose cells have a distinct nucleus and cytoplasm
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 YourExamplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.