Download Prokaryotes and the Origins of Metabolic Diversity

Prokaryotes and the Origins of Metabolic Diversity
1- Describe where prokaryotes are found? How many species of them are
there?
2- There are two domains of prokaryotes. Describe these two and create a
phylogentic tree that demonstrates their evolution compared with the
evolution of eukarya.
3- Describe what a gram stain is. Differentiate between gram-positive and
gram-negative bacteria. Why would one perform a gram stain?
4- How do bacteria reproduce?
5- Describe prokaryote motility.
6- Describe the cellular and genomic organization of prokaryotes and contrast
it with that of eukaryotes.
7- Why can prokaryotic populations grow so rapidly?
8- What is an endospore?
9- Complete the table below with a brief description of the characteristics of
prokaryotic cells.
Property
Description
Cell Shape
a.
Cell Size
b.
Cell Surface
c.
Motility
d.
Internal Membranes
e.
Genome
f.
Reproduction and Growth
g.
10. Prokaryotes can be grouped into four categories according to how they
obtain energy and carbon. Describe them and created a concept map that
demonstrates these categories similarities and differences.
11. Photosynthesis is scattered throughout the phylogenetic tree of prokaryotes.
Why is it more parsimonious to assume that photosynthesis evolved very
early in prokaryotic life?
12- What is the rationale for separating the archae, the bacteria, and all the
eukaryotes into three domains?
13- Describe four positive ways in which prokaryotes have an impact on our lives
and on the world around us?