biology - Answer the science of how life works
different levels of biology - Answer molecular mechanisms within the cell, integrated actions of many cells within an organ or body, interactions among different organisms in nature
characteristics of living things - Answer complexity, a...
Biology 121 Exam 1 Prep Exam
Questions And 100% Correct Answers.
biology - Answer the science of how life works
different levels of biology - Answer molecular mechanisms within the cell, integrated actions of many
cells within an organ or body, interactions among different organisms in nature
characteristics of living things - Answer complexity, able to change in response to environment, able to
reproduce, have the capacity to evolve/change
cell - Answer simplest form of life
essential features of all cells - Answer store/transmit information, plasma membrane, harness energy
from the environment
plasma membrane - Answer controls the exchange of material between the cell and environment
DNA - Answer a stable blueprint of information in a molecular form
sequence - Answer The __________ of DNA encodes a cell's information.
the central dogma - Answer DNA-transcription-RNA-translation-protein
the sun and chemical compounds - Answer What are the two sources of energy for cells?
three domains of life - Answer Bacteria, Archaea, Eukarya
, Archaea - Answer prokaryotic organisms with no nuclear membrane and distinct biochemistry
(Halophiles, Thermocidophiles)
Bacteria - Answer prokaryotic organisms with bacterial rRNA, no nuclear membrane, and specialized
membrane lipids
matter - Answer Anything that has mass and takes up space
elements - Answer Matter is made up of __________.
cannot - Answer Elements __________ be broken down by chemical reactions.
94 - Answer number of naturally occurring elements
O, C, H, N - Answer What are the most abundant elements in the human body?
the structure of its atoms - Answer What do an element's properties depend on?
atom - Answer the smallest unit of matter that still retains the properties of an element
protons - Answer positive charge, atomic number, attributes to atomic mass
neutrons - Answer neutral charge, attributes to atomic mass
electrons - Answer negative charge, play key role in chemical bond formation
atomic number - Answer number of protons
atomic mass - Answer number of protons and neutrons
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 TestSolver9. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
