1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Blizzard [7]
1 year ago
7

You perform a quadrant streak of e. coli at 11:00 am. How many bacteria are present in one cfu at 9:00 pm?

Biology
1 answer:
Hitman42 [59]1 year ago
4 0

E.coli Bacteria present in one CFU at 9:00 pm = 1.07 X 109 bacteria and E.coli at 11:00 am = 1 generation time. That means 2.66X 10^ 9 cells per 1 CFU.

The average CFU in probiotics is between 1 and 10 billion CFUs per serving. To find out the number of CFU in the sample then the number of colony forming units on thee countable plate is multiples by 1/FDF. For example when the countable place has 200 colonies then 200 CFU and the FDF was 1/4000.

CFU measures the viable cells.High number of E.coli bacteria in water indicates that contaminated by feces. and it increasing the risk of exposure to pathogens that causes illness.

To learn more about E.coli Bacteria here

brainly.com/question/14258810

#SPJ4

You might be interested in
ATP is a compound that is synthesized when
Reil [10]
ATP, also called adenosine triphosphate or the body's energy currency, is a compound that is synthesized when we have a compound called adenosine diphosphate (ADP). When this compound gets another phosphate group (P) attached, we get the more known ATP. This is also why the name changes from diphosphate to triphosphate (di - two, tri - three). 
4 0
4 years ago
Read 2 more answers
Punto de vista sobre la ley de mendel
Pani-rosa [81]

Answer:

Las leyes de Mendel son leyes que describen la herencia de rasgos hereditarios. Las leyes forman la base de la genética clásica. Asumen que cada individuo posee dos alelos para el mismo rasgo y los recibe al azar de los cuatro alelos diferentes de los padres. El fenotipo (apariencia física) del individuo depende de cuál de los dos alelos es dominante y cuál es recesivo. Dado que los individuos pueden transmitir ambos alelos a su descendencia, la descendencia incluye tanto individuos con fenotipo dominante como recesivo.

6 0
3 years ago
Which one of the following does not contain calories?
Ierofanga [76]
I think so the right ans is water
6 0
3 years ago
Suppose scientists determine that a set of genes is significantly more prevalent in murderers than in the population at large. W
forsale [732]

Answer:

No

Explanation:

<u>That a gene is common to all murderers in the population does not mean that murderers are not at fault for their crimes. </u>

<em>Having a gene that correlates with murder just gives one a genetic tendency but the environment and personal choice still have to influence the decision to commit the crime. In other words, one might have the genetic tendency to commit murder but still has to be environmentally enabled and the ability to choose to either do it or otherwise. Nature, nurture, and personal choice would have to synergistically work together for the phenotypic expression of such a gene. </em>

7 0
3 years ago
The rigid layer that is present in the cell walls of bacteria that is primarily responsible for the strength of the wall is know
melomori [17]
The substance that helps keep the integrity of the bacterial cell wall intact is known as the peptidoglycan. Others also refer to is it as murein or mucopeptide. The bacterial cell wall is necessary for survival because of the high internal pressure present inside of bacteria. Under normal conditions, if the cell wall is removed the bacterial cell will burst.

The peptidoglycan is a layer that can be used to distinguish gram positive bacteria from gram negative ones. G(+) bacteria have a thick layer of this while G(-) have a thinner ones.
4 0
3 years ago
Other questions:
  • The most common type of poisoning by gases is ______ poisoning.
    14·2 answers
  • What happens if people keep killing sharks and who wants to stop it and how may do we kill a year
    8·2 answers
  • How do flowering plants reproduce by fertilization if they are immotile?
    5·1 answer
  • Polycythemia is a disease which causes an excessive number of red blood cells to be produced.
    8·1 answer
  • A normal Q wave is a result of what
    8·1 answer
  • Which two tactics together
    12·1 answer
  • How do you determine how many the chromosome numbers and how is it related to heredity
    13·2 answers
  • What is the relationship between the temperature of internal material and volcanic eruptions?
    14·1 answer
  • Photorespiration
    9·1 answer
  • What is the correct labeling for the atom?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!