Astrain of bacteria associated with a bladder infection shows gram-negative rods. what species is most likely to be the causative agent?
mycoplasma hominis
escherichia coli
neisseria gonorrhoeae
chlamydia trachomatis

Escherichia coli

Explanation:

The infection of bladder is known as urinary tract infection.This is usually caused by Escherichia coli.This is a type of gram negative bacteria.

This bacteria is commonly found in the gastrointestinal tract of women cause cystitis. Women are more likely to suffer from UTI because of the small distance between the urethra to anus and opening to bladder.

Symptoms include:Frequent urge to urinate, painful urination, urine appears cloudy.

i think the answer is a.keratin is the pigment responsible for skin color.