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4vir4ik [10]
3 years ago
12

Which reason best explains why dead specimens must be used with transmission electron microscopes

Biology
1 answer:
Mnenie [13.5K]3 years ago
7 0

Answer:

The specimen are placed in vacuum while examining the cells or living organisms. Also, the electron must penetrate inside of the cell and in such conditions, any living organism is not able to survive. Thus, this reason best explains the answer to why dead cells specimen must be used for Transmission electron microscopy.

Explanation:

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electrical engineers have created a microchip that can be implemented into the back of the eye. explain​
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<u>Microchip that can be implemented into the back of the eye.</u>

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Every year _______ species go extinct.<br> a. 3<br> b. 72<br> c. 1000<br> d. 20000
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3. Design and describe an experiment using celery stalks to demonstrate how certain conditions will cause a loss or gain of turg
Mama L [17]

Answer:

Explanation:

A way you can use celery stalks to demonstrate the conditions with loss or gain of turgor pressure, is by setting us the same situation with water. I. You could possibly make a chart with how the celery could change. II. Testing the different out comes of the celery changing and what it has done and if it matches the hypothesis. III. The type of data you could conduct would be is seeing the height, length, and width. As wellas trying to see how much celery would soak up. IV. A possible conclusion of that experiment would be that the celery stalks would all expand expect for the one not in any water and it all would possibly start to grow into more than one celery and sprout. H2OH2O

3 0
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3. The island of Rum in Scotland had wolves and trees 500 years ago. It now has neither. A. Offer one hypothesis for the current
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To test for the keystone species hypothesis, the wolves in another region can be removed or trees can be reintroduced to see the effect on the ecosystem.

<h3>What is a keystone species?</h3>

A keystone species is an organism whose existence defines an entire ecosystem such that them, the ecosystem would be severely affected or may not exist.

Trophic cascades are events which result in serious distortions in an ecosystem as a result of the removal or addition of a top predator.

To test for the hypothesis of keystone species and trophic cascades, the wolves in another region can be removed or trees can be reintroduced to see the effect on the ecosystem.

Learn more about keystone species at: brainly.com/question/2044051

#SPJ1

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