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pashok25 [27]
3 years ago
6

How does a light microscope work​

Biology
1 answer:
Deffense [45]3 years ago
4 0

Light from a mirror is reflected up through the specimen, or object to be viewed, into the powerful objective lens, which produces the first magnification. The image produced by the objective lens is then magnified again by the eyepiece lens, which acts as a simple magnifying glass.

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The scientists modified the genes that were turned on/off (expressed) in mice. What happened to the offspring of these mice?
daser333 [38]

The resulting mice will be induced with the changed gene either on or off. The offspring will have altered genes if both the alleles have the trait. This is a heritable change.

Explanation:

Making gene on or off is a process of gene regulation when one of the gene is methylated or histone modification to prevent access to transcription factors hence no expression of the protein. This process is called epigenetics.

The resulting progeny in mice will receive the allele of on or off the gene. Such genes with altered allele are also called as

The altered genes will be expressed in the resulting progeny of mice.

The epigenetic genes can be reverted with environmental effects in the offspring paramutable alleles. They are heritable.

6 0
3 years ago
Can someone help me with this 1-6
Elena L [17]

Answer:

1. sperm cell

2.testicles

3.egg

4.ovary

5.fertilization

6.fertilized egg = foetus

Explanation:

6 0
3 years ago
Help me please and thank you
oksano4ka [1.4K]

Answer:

B

Explanation:

They have the largest species diversity, also we use the same program for our school.

4 0
2 years ago
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A client is being treated for diverticulosis. which points should the nurse include in this client's teaching plan? select all t
lisabon 2012 [21]

If a client is being treated for diverticulosis, the following points should be included by the nurse in the client's teaching plan:

 

- Do not suppress the urge to defecate.

- Avoid constipation

- Drink at least 8 to 10 large glasses (Approximately 2 Liters) of fluid every day.

- Include foods that are soft but have increased fiber in your daily diet

- Avoid the use of laxatives or enemas except when recommended by the physician.

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8 0
3 years ago
Is H2O --> H2 + O2 balanced
saveliy_v [14]

Answer:

Yes, it is a balanced equation.

Explanation:

H2O -> H2 + O2

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