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Pavlova-9 [17]
3 years ago
8

When fertilizers run off farmland into streams and ponds, the nitrogen content of the water increases. this can lead to rapid gr

owth of algae in a process called eutrophication. how can this process affect other organisms in the water? question 1 options: oxygen is used up as algae is decomposed, reducing the amount available to other organisms. the water becomes better able to support aerobic organisms. the algae provide food for fishes and other organisms, leading to decreased algae populations. the extra nitrogen provides additional food for the other organisms, increasing their population?
Biology
1 answer:
siniylev [52]3 years ago
8 0
The correct answer is: <span>oxygen is used up as algae is decomposed, reducing the amount available to other organisms. Algae require nutrients to grow, and it is well known that in many rivers, algal growth is limited by one particular nutrient, most often phosphates or nitrates. This means, as soon as there is a sizable input of nutrients into a river or lake, the algae population will grow exponentially. This dramatically changes the trophic status of a river or lake. However, the algal population will eventually exhaust the supply of nutrients, and the vast biomass of algae that grew over a short period of time will all die at the same time due to lack of nutrients. As you know, rotting organic matter uses up oxygen. This results in an anoxic aquatic environment that can kill all the other organisms living in that environment. </span>
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Proteins that affect the structure of dna bound to histones without altering histone chemical structure are called:_______
slamgirl [31]

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The proteins that remain after the histones have been taken out are known as non-histone proteins. A large group of heterogeneous proteins referred to as non-histone proteins organise and compress the chromosome into higher order structures.
They play a crucial role in regulating processes such nuclear transport, steroid hormone activity, nucleosome remodelling, DNA replication, RNA synthesis and processing, and the transition between interphase and mitosis.
Scaffold proteins, DNA polymerase, Heterochromatin Protein 1, and Polycomb are examples of typical non-histone proteins. This classification area also includes a large number of other structural, regulatory, and motor proteins. Non-histone proteins can be acidic. Other than histones, many proteins have the ability to bind to DNA and change the shape of the chromatin by means of epigenetic processes.

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4 0
2 years ago
Explain the role microbiologist play in researching and treating the disease
jarptica [38.1K]

Answer:

Microbiologists are essential in helping us to treat diseases. Many work as biomedical scientists in hospitals and laboratories: testing samples of body tissue, blood and fluids to diagnose infections, monitor treatments or track disease outbreaks.

5 0
3 years ago
Select the correct answer.
Aliun [14]

Answer: C. regulates spatial and artistic skills

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Explanation:

Each hemisphere of the brain is dominant for other behaviors. For example, it appears that the right brain is dominant for spatial abilities, face recognition, visual imagery and music. The left brain may be more dominant for calculations, math and logical abilities.

7 0
2 years ago
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Answer:

The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).

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Answer: hypothesized that the higher pH levels would increase the rate

of movement of the Artemia. The students placed the Artemia in petri dishes with 2 mm x 2

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4

1

5

5

6

10

7

20

8

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Explanation: yes

6 0
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