Cillia are underlying hair-like projections comprised of

Biology

1 answer:

sergiy2304 [10]3 years ago

3 0

Answer:

Cilia, tail-like projections found on the surface of cells, are perhaps best known as molecular flippers that help cells move around. ... Cilia, tail-like projections found on the surface of cells, are perhaps best known as molecular flippers that help cells move around.

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Explain the method scientists use to study how Earth’s atmosphere and climate have changed during the past million years.

Elanso [62]

Answer:

There are many methods used by the scientists to study the change of earth's atmosphere and climate over the past million years. The study is called paleoclimatology. Since there are no measurement tools during those era, it studies the past by using proxy data. Proxy data includes earth's sediments, tree rings, historical archives, ice cores, and etc.

Explanation:

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2 years ago

How does fungi and bacteria can withstand much greater changes in the surrounding medium than animal cells?

Nady [450]

Answer:

The cell wall present in fungi and bacteria permits these cells to withstand very dilute external medium without bursting.

Explanation:

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2 years ago

Which statement is an example of a scientific theory? A. The amount that caffeine affects a person's heart rate differs based on

nadya68 [22]

Answer:

Pretty sure it's A because people can redo this test as many times as needed to verify the answer.

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3 years ago

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What structure is most important in forming the tetrads?

Vladimir79 [104]

Answer:

The correct answer will be option- synaptonemal complex.

Explanation:

The tetrad arrangement of the genetic material in an organism is mediated by a highly conserved structure known as the synaptonemal complex. The synaptonemal complex is formed during the prophase I of the meiosis I which attaches the chromatin of the homologous chromosomes.

The synaptonemal complex is a proteinaceous structure which is formed by the two lateral ladders like elements with a central portion composed of the central element. The chromatin gets attached to the lateral elements while the central a portion bridge space between the two ladders thus help in the formation of the tetrad.

Thus, option- synaptonemal complex is the correct answer.

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2 years ago

Breakup of a larger habitat area into smaller areas, usually as a result of human activities.

oksano4ka [1.4K]

Answer:

uh yeah I think

Explanation:

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2 years ago