Question

Medal for help!!
1.Identifying characteristics of bacteria include _____.

the presence and/or number of flagella
Gram staining
shape and arrangement of cells
all of the above

Answer 1

2.Bacteria can recombine or share genetic material by exchanging it via contact between individuals. This is called _____.

transduction
transformation
conjugation
transference

3.Important roles of bacteria include _____.
decomposition
significance in commercial products such as cheese and yogurt
sewage disposal
nitrogen fixation
(can be more then one)

4._____ have the ability to fix atmospheric nitrogen.

Pathogens
Rickettsia
Cyanobacteria
Streptococcus

5.Most species of cyanobacteria are enclosed in a _____.

carotenoid pigment
phycoerythrin
mucilaginous sheath
nuclear membrane

Answer 2

At least with some questions plz!!!

Answer 3

is this from a test?

Answer 4

and save one question per QUESTION

Answer 5

http://en.wikipedia.org/wiki/Bacterial_cell_structure
Cell shape (coccus, bacillus, spirillum, filamentous)
Cell size
Locomotory structures (Pili vs flagella)
Colony margin
Colony colour
Gram stain (negative or positive)
Metabolism (aerobic vs anaerobic)

Answer 6

These are the answers for your questions my friend
1. all the above
2.conjugation
3.significance of commercial products such as cheese and yogurt and nitrogen fixation
4. cyanobacteria
5. mucilagenous sheath

Answer 7

no this isn't for a test @algebra1squared

Answer 8

thanks @deepika.comet and @Mrs.Jeffries