Essays Tagged: "Eukaryote"

How changes in the atmosphere, eukarotes, and multicellularity have occured and influenced life on earth

e changes made life on land possible and evolution occurred as prokaryotes gave rise to land living eukaryotes.The microfossil record indicates that the first eukaryotes evolved at least 1.5 billion y ... .The microfossil record indicates that the first eukaryotes evolved at least 1.5 billion years ago. Eukaryotes are distinguished from prokaryotes by their larger size, the separation of nucleus from c ...

(2 pages) 79 1 3.2 Mar/1996

Subjects: Science Essays > Atmospheric Sciences

Biology Notes about Microscopes, Scientists, and Cells.

isms that lack internal membrane-bound compartments.The first cells with internal compartments were Eukaryotes. These cells evolved about 1.5 billion yrs. ago. Much larger than any bacteria, these cel ... karyotic comes from the Greek words eu, meaning "true," and karyote, meaning "kernel" or "nucleus." Eukaryotes have a nucleus, a membrane-bound compartment that houses the cell's DNA. They also posses ...

(5 pages) 118 2 4.7 Aug/2003

Subjects: Science Essays > Biology

All about Bacteria.

r botulism, a disease often considered to be a form of food poisoning.Bacteria, which outnumber all eukaryotes combined, differ from eukaryotes in at least seven important respects.1.Internal compartm ... nt respects.1.Internal compartmentalizationBacteria are prokaryotes and lack a cell nucleus, unlike eukaryotes. The cytoplasm of bacteria has very little internal organization. It contains no internal ...

(5 pages) 152 1 4.8 Aug/2003

Subjects: Science Essays > Biology

AP Biology Essay #7 concerning Evolution, created using the grading rubric, so will be an A+

ral adaptations and their functional significance.a. Green Algae...Vascular Plantsb. Prokaryotes....Eukaryotesa.Green Algae and Vascular Plants have clear evolutionary relationships. Both Green algae ... ascular plants have a somewhat close evolutionary relationship with Greene Algae.b.Prokaryotes, and Eukaryotes also share evolutionary relationships. Basic similarities between these organisms include ...

(2 pages) 49 0 3.0 Feb/2004

Subjects: Science Essays > Biology

Develop some hypotheses explaining why only eukaryotic cells have evolved into multi-cellular organisms.

ryotes (oxygen haters, e.g. bacteria), but also contain genes that are more like what you'd find in eukaryotes (oxygen lovers e.g. plants and animals). The first eukaryote cells probably lived near ox ... volved a 2.6 billion years ago--a billion years before the oldest fossil cells. Early single celled eukaryotes probably include amoeba, dinoflagellates, and ciliates (pictured top down to the right). ...

(4 pages) 46 0 5.0 Apr/2005

Subjects: Science Essays > Biology

Cells & Organelles Through the Electron Microscope

of the characteristics that distinguish two fundamentally distinct kinds of cells, prokaryotes and eukaryotes. In prokaryotic cells, all the components, including the DNA, combine freely in the cell' ... , which serves as the cell's command center and information library. Another feature distinguishing eukaryotes and prokaryotes is size; eukaryotic cells are usually larger than prokaryotic cells. The ...

(2 pages) 27 0 0.0 May/2005

Subjects: Science Essays > Biology

Discuss the similarities and differences between prokaryote and eukaryote cells.

plasm of the cell, an example of a prokaryote is a bacterium (See Figure 1). The other class is the Eukaryotes which are the cells of plants and animals, and example is a palisade cell (See Figure 2). ... re 2). Both have similarities and differences in their functions and structures.Both Prokaryote and Eukaryote cells consist of Cell wall, (however this is not present in animal cells) - this is made o ...

(3 pages) 57 0 3.7 Oct/2005

Subjects: Science Essays > Biology

View of the Cell.

astTwo Basic Cell Types-- Prokaryotes- organisms made of cells that lack membrane bound organelles- Eukaryotes- organisms made of cells with membrane bound organelles, multicellular plants & anima ...

(3 pages) 23 0 0.0 Feb/2006

Subjects: Science Essays > Biology

Bacteria Outline

ntation of various food and as antibiotics and is being tested for insect control - Prokaryotes vs. Eukaryotes - Multi-cellularity - All bacteria fundamentally single celled - Sometimes cells adhere w ... filaments - Activities of bacterial colonies less integrated and coordinated than in multicellular eukaryotes Eukaryotes Bacteria Cell Size 10x size of bacteria 1 micrometer (çm) diameter Chro ...

(5 pages) 35 0 0.0 Feb/2008

Subjects: Science Essays > Biology

The Plant And Animal Cells

ructure and are surrounded by membranes. These are usually one-celled organisms. The second kind is eukaryote; which are cells containing internal, membrane bound structures. These structures are call ...

(4 pages) 23 0 0.0 Feb/2008

Subjects: Science Essays > Biology

Endosymbiotic Theory

(2 pages) 4176 0 0.0 Nov/2008

Subjects: Science Essays > Biology

The death

(2 pages) 1 0 0.0 Oct/2014

Subjects: Art Essays > Design Arts