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Vitek1552 [10]
3 years ago
5

The amount of _____ is fairly constant throughout the cell cycle

Biology
1 answer:
shepuryov [24]3 years ago
5 0
The amount of chromosomes are fairly constant
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What happens to the light intensity as you adjust the diaphragm? Explain your answer.
OlgaM077 [116]
As you open the diaphragm it’s widest the most light is able to enter because it is open allowing all of the light to come in.
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2 years ago
What are some functions of sensory protein?
Citrus2011 [14]

Answer:

Explanation:

These proteins, known as growth factors, are signals that stimulate cellular functions such as growth, proliferation, healing and differentiation. In the developing human spinal cord, BMPs are required for the formation of neurons.

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3 years ago
These photosynthetic protists produce one third of the Earth’s oxygen that is generated through photosynthesis.
STALIN [3.7K]
<h2>Answer:  C) Algae</h2>

Explanation:

By process of elimination:

  • moss is a plant belonging to the Bryophyta division. It is not a protist
  • paramecia are animal-like protists that don't generally photosynthesize
  • protozoans feed on organic matter such as other microorganisms or organic tissues and debris (not autotrophic)
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2 years ago
Identify each event as the result of mechanical weathering or chemical weathering.
kow [346]

<h3><u>The following events are identified as chemical weathering:</u></h3>
  • The minerals in a marble statue react with water to form acids and pores in the structure.
  • The rocks in a region are streaked orange after being exposed to repeated rains.

<em><u>Reason: </u></em>

When the weathering process occurs due to <em>chemical reaction</em>, then it is considered as chemical weathering.

In <em>the first case</em>, minerals of marble statue are <em>reacting</em> with water to cause weathering. In the <em>second case</em>, due to the <em>acidificaion reaction</em>, the change of the color has happened after exposure to the repeated rains.

<h3><u>The following events are identified as Mechanical weathering:</u></h3>
  • A piece of rock crumbles after being constantly thrashed by strong waves.
  • Industrial runoff forms cracks in a rocky structure in its path.

<em><u>Reason:</u></em>

When the rock is broken into simple pieces <em>without any chemical reaction </em>it is considered as mechanical weathering.

In the <em>first cause</em>, due to the <em>abrasion</em> caused by the strong waves, weathering has happened, in the <em>second case</em> industrial run off may be of varying temperature and thus may cause <em>heating or cooling</em> of the rock and causes weathering.

8 0
3 years ago
What are physical characteristics of roundworms?​
Yuliya22 [10]

Answer:

Roundworms can grow up to 3 meters and can be so small they can't be seen with the naked eye. Some roundworms have hooks to cling to certain body parts without being carried away by blood or other fluid. Roundworms are covered in a strong, but flexible, covering

Explanation:

8 0
2 years ago
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