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IgorC [24]
3 years ago
7

Need help plz help meh

Biology
1 answer:
Alexxandr [17]3 years ago
7 0

Is this the question you were talking about?

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Was the streak plate method effective at diluting the population size in all 4 plates?
Inessa05 [86]

Answer:

"Yes" The streak plate method is very effective in diluting the population size in all 4 plates.

Explanation:

The streak plate method is effective because it is one among the rapid isolation method which further allows for easy observation of the bacteria. This method is also being used for getting the color of the certain substances. Its main principle is to isolate the specific bacteria from the sample of various microbes. It dilutes the microbes number and often reduces their density. It is useful in separation of organisms from the group. These are isolated in the agar plate.

4 0
3 years ago
Think about the lab procedure you just read. Label each factor below V if it was variable during the procedure or C if it was co
Crazy boy [7]

Answer:

The factors which remained constant are as follows -

  1. material used as the membrane
  2. amount of substances used
  3. number of trials

The factors which have shown variation are as follows -

  1. molecule size (large starch molecules vs. small glucose molecules)
  2. whether the molecules diffused through the membrane (tubing)

Explanation

Some factors with in the experiments remained constant from the point of starting of the experiment to its end. While some factors were varied to study its impact on the experiment rate of progression or on the final product formed. Thus , out of the following given factors, the ones that remained constant are -

  1. material used as the membrane
  2. amount of substances used
  3. number of trials

The factors which have shown variation are as follows -

  1. molecule size (large starch molecules vs. small glucose molecules)
  2. whether the molecules diffused through the membrane (tubing)
8 0
3 years ago
Read 2 more answers
HELPPPPP HELPPP HELPPP PLZZZ !!!
Aleksandr [31]

Answer: Mass

Explanation: i hope i helped i did that yesterday and it was right but i hope it is??

8 0
3 years ago
Mass = 63g
Brut [27]
The volume is mass density is h,w,l
6 0
2 years ago
Which of the following is not correct about diffraction?
kotykmax [81]

Answer:

Diffraction occurs just with electromagnetic waves.

Explanation:

8 0
3 years ago
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