Nuclear Function: Whos in Charge?
! The nucleus is typically called the brains of the cell. This somewhat misleading term may
obscure the actual nuclear functions within the cell.
! Review: The central dogma states that DNA acts as a template for RNA synt
Biology FINAL EXAM REVIEW #2
Identify the choice that best completes the statement or answers the question.
1. Which ecological inquiry method is an ecologist using when he or she sets up a greenhouse and measures the
effects of differen
The History of Cytology
During the seventeenth century, a scientific explosion took place in Europe, especially
concerning the development of lenses, which can bend light and magnify objects.
! The use of newly invented microscopes enabled the formation
Membranes: Basic Structure
! The structure of plasma membranes allows cellular compartmentalization and selective
permeability to various substances.
! The fluid mosaic model is a model of membrane structure. According to the model,
membranes are composed
Cellular Function: Endoplasmic Reticulum
The endoplasmic reticulum, or inner plasma network, is a series of interconnected membranous channels in the cells
cytoplasm. The structure is a network of cisternae, or flattened sacs, consisting of an outer memb
The Nuclear Envelope: The Initial Tour
! The central dogma states that DNA makes RNA, and RNA in turn directs protein synthesis.
In the eukaryotic cell the nucleus houses the DNA.
! In living organisms structure and function are intimately connected. At t
Plant and Animal Cell Overview: The Basics
! Both plant and animal cells, which are eukaryotes, have cell features in common:
Both plant and animal cells are bound by plasma membranes that enable the
regulation of materials passing into and out of the ce
Prokaryotes vs. Eukaryotes
! A comparison of the prokaryotic cell versus the eukaryotic cell yields several key
differences in cell appearance and structure.
! In terms of evolutionary history, the term prokaryotic translates literally as before the
Name: Dreissena polymorpha
Also known as: Zebra Mussels, Wandering Mussel
The zebra mussel is a small shellfish named for the striped pattern of its shell.
Color patterns can vary to the point of having only dark or l