BIOLOGY HIGH SCHOOL

Which of the following techniques of microscopy allows the observation of living cells (i.e. NOT fixed cells) ?A) scanning electron microscopy B) fluorescent microscopy C) transmission electron microscopy D) There are no microscopy techniques suitable for the observation of living cells

Answers

Answer 1
Answer:

Answer:

B

Explanation:
Answer 2
Answer:

Final answer:

The technique of fluorescent microscopy allows the observation of living cells by using fluorescent dyes or proteins to label specific structures or molecules within the cell.

Explanation:

Microscopy is a valuable tool in biology for studying cells and their structures. When it comes to observing living cells, one technique that stands out is fluorescent microscopy. This technique involves using fluorescent dyes or proteins to label specific structures or molecules within the cell. When these labeled structures are illuminated with a specific wavelength of light, they emit fluorescence, which can be captured and visualized using a specialized microscope.

Fluorescent microscopy is particularly useful for studying dynamic processes within living cells. For example, researchers can use fluorescent microscopy to track the localization of proteins within a cell, observe cell division in real-time, or investigate cellular interactions. By labeling specific structures or molecules with fluorescent markers, scientists can gain insights into the behavior and function of living cells.

Learn more about microscopy techniques for observing living cells here:

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If a tornado destroys a deciduous forest, what kind of succession follows?

Answers

The correct answer of the given question above would be SECONDARY SUCCESSION. If a tornado destroys a deciduous forest, the kind of succession that follows is called a secondary succession. Secondary succession is defined as process which is started by a specific event, whether it is a hurricane, tornado or fire, that decreases the already established ecosystem. Hope this answer helps.

The correct answer is D.) Second Sucession.

What would happen if photosynthesis on Earth stopped?

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The plants that use photosynthesis would die because the plants would not create food. They would die of hunger. Without another source of food, most of the animals would likewise die off to.

Which type of muscle filaments are arranged in a disorderly manner?

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The type of muscle filaments that are arranged in a disorderly manner are known as smooth muscle filaments.

Smooth muscle is one of the three types of muscle tissue found in the human body, along with skeletal muscle and cardiac muscle. Unlike skeletal and cardiac muscle, which have a highly organized arrangement of filaments, smooth muscle filaments are arranged in a more random and disorderly manner.

Smooth muscle is found in the walls of organs and structures such as the intestines, blood vessels, and uterus. The disorderly arrangement of smooth muscle filaments allows for greater flexibility and adaptability in these organs, as they can stretch and contract in different directions.

The lack of a highly organized pattern in smooth muscle filaments contributes to the smooth muscle's ability to generate slow, sustained contractions over extended periods of time. This is important for functions such as peristalsis in the digestive system or maintaining blood pressure in the blood vessels.

In summary, smooth muscle filaments are arranged in a disorderly manner, which allows for flexibility and sustained contractions in organs and structures throughout the body.

When cleaning up water pollution in a large lake or river, it is important to clean up the entire??

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When cleaning up water pollution in a large lake or river, it is important to clean up the entire watershed. It is a basin-like landform defined by highpoints and ridgelines that descend into lower elevations and stream valleys. This is because pollution can be transfered to other areas of the lake or the river when this part is not cleaned well.

Please help! Match each organism with the correct trophic level it occupies in the food chain.

Answers

Blueberry: 1st Trophic Level

Rabbit: 2nd Trophic Level

Snake: 3rd Trophic Level

Cat: 4th Trophic Level

Hope this helps :P

plz give me the brainliest if it does : )

Answer:

The blueberry we go on the fourth the The rabbit would go next I think the snake would go after that and then the cat.

Explanation:

The snake and the cat might be switched but I’m pretty sure that the cat would be able to eat the snake easier than the snake would be able to get the cat so all I can say is go with your gut on that one .

A woman who can roll her tongue (presumably dominant) is married to a man who cannot. Two of their four children can roll their tongues and two cannot. If A = roll tongue and a = cannot roll tongue, then what is the genotype of the parents?

Answers

Answer:

50-50%

Explanation:
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