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
Dahasolnce [82]
3 years ago
12

What are the ranges of colonies counts that are acceptable on a plate for a spread plate and pour plate? Why are they different?

for a​
Biology
1 answer:
enot [183]3 years ago
5 0

Each (both large and small) colony is carefully counted (using magnifying colony counter if needed). Each colony represents a “colony-forming unit” (CFU). For accurate counts, the optimum count should be within the range of 30-300 colonies/plate. To insure a countable plate a series of dilutions should be plated.

You might be interested in
PLEASE HELP ASAP, DUE TOMORROW<br> 50 POINTS, ANSWER ALL (CORRECTLY PLEASE)
pshichka [43]

Answer:

5. A(so that the organisms are easier to study.)

1. D(drinking water)

2. already correct good job

3. A(they are made of at least one cell)

4. D(the scientific study of how living things are classified.)

Explanation:

Hope this helps!! And I hope you get a good grade! Brainliest?? Anyways have a great day!! :))

7 0
2 years ago
Which one of the following statements accurately describes a characteristic of red blood cells?
wel
A)no, they do, they do have hemoglobin! what they do lack is a nucleus (so answer B is also false)

c) - no, inflammation would be more a response of immune cells (not red blood cells) to a foreign body or organism

d) -yes, this is the correct one!
6 0
3 years ago
Physical removal of an invasive species is an example of _______.
lana66690 [7]

Answer:

A. Mechanical

Explanation:

3 0
3 years ago
Read 2 more answers
What in the excretory system is produced by hard work
blondinia [14]
Well the excretory system produces waste.
7 0
3 years ago
Glucose is an example of a ______ sugar.
STatiana [176]
Lactose because it is a sugar made up of galactose and glucose.
5 0
3 years ago
Read 2 more answers
Other questions:
  • What safety equipment is required for the Osmosis Experiment?
    5·1 answer
  • A caterpiller eats the leaf and a bird eats the caterpiller in this interaction the bird is a?
    5·1 answer
  • A cell in the leaf of a corn plant contains more chloroplasts then a cell in the stem of a corn plant. Based on this observation
    6·2 answers
  • Mrs. And Mr. Smith both have widow's peaks (dominant). Their first child also has a widow's peak, but their second child doesnt.
    13·2 answers
  • PLZ ASAP!!!!! ill mark you as brainliest 
    9·1 answer
  • Which of the following is considered a mutagen?
    5·1 answer
  • In "The Wisdom of Solomon," why does the baby's true mother agree to give up her child at one point in the story? A. She believe
    9·1 answer
  • A nurse is assisting a postoperative patient with ambulation. what benefits of early ambulation should the nurse explain to the
    13·1 answer
  • May you please answer part a and b.
    10·2 answers
  • say you are a scientist that wants to find out how fast lobsters grow at different environmental variables. which experiment wou
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!