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Sergeu [11.5K]
3 years ago
15

Which characteristics describe the troposphere? Check all that apply. is the innermost later, contains the ozone layer, has the

highest air pressure, spans 12-50 km above Earth, is a good place for planes to fly
Biology
1 answer:
enot [183]3 years ago
8 0

The correct answers are:

- <em>is the innermost layer;</em>

The troposphere is the first layer of the Earth's atmosphere, thus it is the innermost one of all. This is the layer which enables life on our planet, and its composition is just the right one that life on Earth can thrive.

- <em>has the highest air pressure;</em>

Because this layer has the biggest density of all layers, which practically means that it has the most molecules per area, so it is the richest with gasses, this layer has the highest air pressure. The more gasses there are in a layer, the heavier it is, thus it has bigger air pressure.

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The button-like structure that holds homologous chromosomes together at their middles during cell division is called the
Volgvan

Answer:

CENTROMERE

Explanation:

The CENTROMERE is the primary constriction region where the identical DNA molecules are most tightly bonded to each other during mitosis and meiosis.

The typical chromosome in metaphase is composed of two sister chromatids joined by the centromere.

Surrounding the centromere, we can find the kinetochores. These are laminar proteinic structures forming a plate where the spindle and kinetochore fibers will join during chromatids separation.

The position of the centromere defines the chromosomes as acrocentric, metacentric, or submetacentric.

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3 years ago
In examining a picture of a cell taken with an electron microscope, a student observes that the cell has a nucleus and a cell me
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I’m pretty sure it’s B
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All of the following are regulatory functions of the endocrine system except Select one: a. labor contractions. b. development o
aleksley [76]

Answer:

c. immune functions.

Explanation:

The endocrine system is involved in the regulation of metabolic rate, body temperature (thermoregulation), tissue development and labor contractions except immune functions.

Studies have shown that no hormone has been identified as being important in the regulation of the immune system. Therefore immune functions is not a regulatory function of the endocrine system.

Although, there have been articles on the endocrine and immune system crosstalk, only a hypothesis of various proteohormones not single hormones have been discovered to act on immunocompetent cells.

4 0
3 years ago
What are some other potential sources for starch degrading bacteria?
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Starch degrading enzymes like amylolytic enzymes are generally significant in the industries to deal with biotechnology, with immense applications in food, textiles, fermentation, and paper. Bacteria produce amylase chemicals including utilizing Bacillus sp., a naturally found polymer, for example, starch, proteins, gelatin  

starch degrading microbes in pure culture from soil utilizing a starch loaded agar medium, The two bacterial strains Bacillus amyloliquefaciens and Bacillus licheniformis  and cow manure are some of example

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Read the following descriptions of two different types of precipitation. Then, decide if they are both true or not.
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