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Marina CMI [18]
4 years ago
6

A researcher is studying the number and arrangement of fimbriae covering the surface of a bacterial cell. Which type of microsco

py would be most useful for this purpose?
Biology
1 answer:
vredina [299]4 years ago
8 0

Answer:

The electron microscope

Explanation:

<em>Fimbriae are very tiny appendages of about 3 to 10 nm in diameter found on the surface of most Gram-negative and some Gram-positive bacterial cells. They are mostly utilized as a structure to adhere to one another, to other organisms, or any other surfaces.</em>

Fimbriae generally contain adhesins, a virulence factor that facilitates adhesion to surfaces and <u>due to their tiny size, they can only be viewed using the electron microscope</u> - the scanning electron microscope to be precise.

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Which process or processes are responsible for the series of ice ages that occurred during the cenozoic era?
jonny [76]

Answer:

Glaciation and the Antarctic Circumpolar current

Explanation:

As the supercontinents continued to separate, cold water was easily transported around the globe through the Antarctic Circumpolar current. This assisted periodic glaciation during the Cenozoic Era, leading to a series of ice ages.

6 0
3 years ago
Which plant is often used as a soil conditioner? moss fern horsetail hornwort
Gekata [30.6K]
<h2>Answer </h2>

Moss

<u>Explanation</u>

Moss is often used as a soil conditioner. The capacity of Sphagnum to keep damp creates the moss a common soil conditioner. A soil conditioner is a material manufactured from organic matter which assists to enhance the soil's characteristics, scoring slow-releasing nutrients. It has been simply used to kill any weed seeds. Mosses are small flowerless plants that typically develop in thick green clumps or mats usually in damp or dark areas.


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4 years ago
How is the process of carbon fixation in CAM plants different from the process in C3 and C4 plants?
GalinKa [24]
The answer is C, I believe. 
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3 years ago
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What type of Organism depends on auto transfer energy and carbon compounds
Dmitry [639]

Heterotrophs

Explanation:

Heterotrophs are organisms that depends on autrotrophs to transfer energy and their carbon compounds.

Heterotrophs are plants and animals that are not capable of producing their own food on their own. They depend on mostly plant materials and products for their own nourishment.

  • Organisms that are able to produce their own food are called autotrophs.
  • Autotrophs takes up raw materials from the environment and manufacture their own food.
  • Autotrophs can be photosynthetic or chemosynthetic.
  • Autrotrophs are producers in the food chain or web.
  • Heterotrophs are consumers at all level. They depend on the materials produced by the autotrophs for their own survival and nourishment.

learn more:

Autotrophs brainly.com/question/3150299

#learnwithBrainly

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