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ratelena [41]
3 years ago
13

In exercise 2-4, after you have obtained a pure culture plate, you use cells from a single isolated colony to ______.

Biology
1 answer:
bezimeni [28]3 years ago
5 0

Answer:

c. make a smear for a differential stain.

Explanation:

After isolating a pure culture it is necessary to inoculate the microorganism in a differential medium. Differential culture media enable the differentiation of microorganisms or groups of microorganisms. These media contain specific dyes or chemicals for growth of desired microorganisms.

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MaRussiya [10]

Answer;

A.Vinegar and soda

Explanation;

-A salt is a substance that contains a cation which is a metal ion or an ammonium ion and an anion derived from an acid. It is an ionic compound that can be formed by the neutralization reaction of an acid and a base.

4 0
3 years ago
Which of the genotypes below are purebred?
sukhopar [10]

Answer:

DD TT

Explanation:

They are the same and capital

7 0
3 years ago
.A car moving at 65 mi/hr took 2 hrs to drive how many miles?
vivado [14]

Answer:

I would say 130

Explanation:

65 times 2 is 130

6 0
3 years ago
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Salt dissolved in water? Physical or chemical
aleksley [76]

When salt and sugar dissolve in water it is a physical change. The chemical makeup of the salt and sugar are not changed.

Physical change

3 0
3 years ago
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Part A: If one follows 70 primary oocytes in an animal through their various stages of oogenesis, how many secondary oocytes wou
olga nikolaevna [1]

Answer:

<u>Part A</u> : 70 secondary oocytes will be formed.

<u>Part B</u> : 70 first polar bodies will be formed.

<u>Part C</u> : 70 ootids will be formed.

Explanation:

During oogenesis growth maturation of a single oogonium produces one primary oogonium.

the primary oogonium then undergoes meiosis -1 and produces  one secondary oocyte and first polar body.

The secondary oocyte then undergoes meiosis - 2 and forms an ootid and second polar body.

The ootid then differentiates into the ovum.

As in the above scenario , 70 primary oocytes are present , they undergo meiosis-1 and produces 70 secondary oocytes and 70 first polar bodies. Hence answers of part A and B is 70.

As 70 secondary oocytes are formed , they undergo meiosis -2 and forms 70 ootids which then differentiate in 70 ovums.

8 0
3 years ago
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