Meiosis and Sexual
Genetics: The study of hereditary and hereditary variation
Hereditary: Transmission of traits from one generation to the next
eg: Family Resemblance
Variation: Differences among a species
eg: Hair color
Cell surface membrane is selectively permeable and regulates the control of
substances in and out of the cell.
It is about 7nm thick.
Phospholipids are the most abundant lipid in the plasma membrane
DNA and DNA
CHAPTER 05 & 16
Nucleic acids store and transmit hereditary information
The amino acid sequence of a polypeptide is programmed by a unit of
inheritance known as a gene.
A gene consists of DNA, a polymer known as a nucleic acid.
The Cell Cycle
In unicellular organisms, division of one cell reproduces the entire organism.
Multicellular organisms depend on cell division for:
Development from a fertilized cell
Cell division: is an integral part of the cell c
Cell communication is critical to the development and functioning of multicellular
organisms and also occur between unicellular organisms.
Three Stages of Cell Signaling:
Contains the receptor
A Tour of the
Scientists use microscopes to visualize cells too small to see with the naked eye.
Magnification: is the ratio of the image size to its real size
Resolution: is the ability to distinguish between two points on an i
The Structure and
Function of Large
Large molecules composed of thousands of covalently connected atoms (polymers
made of monomers).
Monomer: Building block of a polymer
Polymer: A long chain like molecule
Chapter 02, 04
Matter is anything that takes up space and has mass; is made up of elements.
Matter can neither be created nor destroyed.
Element is a substance that cannot be broken down to other substances by
Water and Life
Water is one of the most unique molecules.
Water makes up 70% to 95% of the cell content of living organisms and covers
75% of Earths surface.
The abundance of water is the main reason Earth is habitable.
The uniqueness of water
Evolution, the Themes
of Biology, and
Biology is the scienticfic study of life, with evolution, the process of change that
has shaped life form its origin on Earths to todays diversity, as its organizing
Life: is def
Exam I questions Questions for Kashefi and Lovley (2003) From what environment was this microbe isolated? What is the maximum temperature it can tolerate? What strategy did the scientists employ to grow it? Why does this discovery matter? (look for t
BIO 120 Bruno Soffientino Exam 1 essay questions spring semester 2008 How does the pattern of diversity of the Burgess fauna conflict with our view of the history of life on earth?
Describe one of these protest species in as much detail as possible:
BIO 120- Bruno Soffientino Quiz I: Multiple Choice
1. Which of the following pairs represent homologies? a. bat wing and human hand b. owl wing and hornet wing c. porcupine quill and cactus spine d. bat forewing and bird wing e. Australian mole and
Topics and questions for ExamII (Friday April 4th) Reminder: I draw much of the material for short answer questions from the "concept check" questions at the end of every chapter section; use them as study aids. Note: definitions may not be limited t
BIO 120 spring 2008 Bruno soffientino Quiz 2 multiple choice Which feature seen in chytrids supports the hypothesis that fungi represent a sister kingdom to animalia? a. flagellated adult stage b. coenocytic hyphae c. flagellated spores d. parasitic