Clostridium and streptococcus are both catalase-negative., Ask an Expert

Academics

1) Clostridium and Streptococcus are both catalase-negative. Streptococcus grows through fermentation. describe why is Clostridium killed by oxygen, while Streptococcus is not?

2) Suppose that after washing your hands, you leave ten bacteria cells on a new bar of soap. You then decide to do a plate count of the soap after it was left in the soap dish for 24-hours. You dilute 1g of the soap 1:106 and plate it on standard plate count agar. After 24-hours of incubation, there are 168 colonies. describe how many bacteria were on the soap? describe how did they get there?

View complete question

Biology, Academics

Category:- Biology
Reference No.:- M937716

Have any Question?Write your Review or question?

Related Questions in Biology

Lab assignment -for this assignment you need to document

Lab Assignment - For this assignment you need to document the anatomy you see in the grass frog dissection. USE THE NAME SECTION TASEW GIRMA. Experiment 1: Owl Pellet Dissection 1) Include a photograph to accompany your ...

Question in portugal employers are not allowed to terminate

Question: In Portugal, employers are not allowed to terminate employees. In Japan, employers are required to measure the waistlines of their employees, and anyone whose waist exceeds the allowed size is put on a diet by ...

Discussion board 3 dnaafter reading the prompt below post

Discussion Board 3: DNA After reading the prompt below, post your answer using about 200 words. Post your initial response at least 24 hours prior to the assignment due date, then return to respond to another classmate's ...

2croh3nbspnbsp3br2 10oh-6br-nbspnbsp2cro42- 8h2oin the

2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.

What are the equations for molarity molality density ppm

What are the equations for Molarity, molality, density, ppm, ppb, mass percent, Volume percent, and mole percent?

Your optometrist shines a light in your eye and notices

Your optometrist shines a light in your eye and notices your pupil constricts in response to light. She tells you the iris is a muscle that adjust the sizes of the pupil automatically is response to light entering the ey ...

Why were there no large mammals around when the dinosaurs

Why were there no large mammals around when the dinosaurs occupied the land?

Discussion bad blood a case study of the tuskegee syphilis

Discussion Bad Blood: A Case Study of the Tuskegee Syphilis Project. Photo by Department of Health, Education, and Welfare. Public Health Service. Health Services and Mental Health Administration. Center for Disease Cont ...

Question choose one of the following topics and write a

Question: Choose one of the following topics and write a 400-500 word essay. You must cite at least 2 primary sources. Follow the proper citation format for articles and or websites. You must use direct (primary) sources ...

Question all cancers are characterized by uncontrollable

Question: All cancers are characterized by uncontrollable cell growth and division, and when untreated, may be fatal. Cancers that occur in childhood are usually more malignant than those developed later in life. 1) Why ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Biology Expert