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vova2212 [387]
3 years ago
14

What is the most common cause of cultural eutrophication?

Biology
1 answer:
frosja888 [35]3 years ago
4 0

Answer:

d

Explanation:

The use of fertilizers is the leading cause of eutrophication. The use of fertilizers, especially nitrate and phosphate fertilizers on farms, lawns, and golf courses, result in the accumulation of phosphate and nitrate in the nearby water body sources

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Lipids have an important role in storing energy reserves. What is another primary function of lipids?
azamat

Answer: Unlike other body cells that can store fat in limited supplies, fat cells are specialized for fat storage and are able to expand almost indefinitely in size.

The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.

7 0
3 years ago
Read 2 more answers
What a square and how is its used?
zmey [24]

Answer:

A square is a mathematical shape that has 4 sides and 4 corners. It has equal sides and is used for the graph paper squares or tiles.

6 0
3 years ago
Streptomyces griseus produces the antibiotic Streptomycin, which inhibits protein synthesis by binding to ribosomes and preventi
VLD [36.1K]

Answer:

See the answer below.

Explanation:

Antibiotic-producing bacteria are generally known to have a mechanism that enables them to be resistant to their own antibiotics. The mechanism that enables them to be resistant to their own antibiotic depends largely on the mode of action of the antibiotic substance.  

Some of the popular mechanisms used by bacteria to counter their own antibiotic substance include a mutation in the target gene, production of enzymes that inactivate the antibiotic compounds, or efflux of the compounds.

<u>In the case of </u><u><em>Streptomyces griseus</em></u><u>, the inactivity of streptomycin has been linked with the production of a phosphatase inhibitor that prevents streptomycin from getting access to the target site. Hence, the organism is not harmed by its own antibiotic.</u>

7 0
3 years ago
Which of the following would be classified as concepts in anatomy?
Lera25 [3.4K]

Concepts in anatomy from the given options include:

  • The brain is composed of two hemispheres.
  • Each kidney contains approximately 6-10 pyramids.
  • The muscle on the back of the arm has three heads of origin.
  • Study of form.

<h3>What is anatomy?</h3>

Anatomy is a branch of biology that is concerned with the study of the structure of living organisms and their various parts.

Anatomy studies the position of body structures as well as the position of related structures or organs of the body.

Anatomy also studies how the structure of these body parts relates to their functions.

Therefore, concepts in anatomy from the given options are:

  • The brain is composed of two hemispheres.
  • Each kidney contains approximately 6-10 pyramids.
  • The muscle on the back of the arm has three heads of origin.
  • Study of form.

In conclusion, anatomy deals with structure of body parts of living organisms.

Learn more about anatomy at: brainly.com/question/896286

#SPJ1

3 0
2 years ago
In an experiment, the membrane potential of a neuron is hyperpolarized to –120 mV. When an inhibitory neurotransmitter is applie
denis-greek [22]

Answer:

The inhibitory transmitter activates ligand-gated potassium channels

Explanation:

When a cell is in hyperpolarized state,the potassium gated channels are taken longer time to close up, Therefore, more K+ leaks out of the axoplasm  to the exterior.Therefore the cell appears to continue in the resting state, with more negative value of the cell potential of (-120 mV) and this called hyperpolarization.

However, with the addition of  inhibitory transmitter,the ligand-gated potassium channels are activated,Theses channels closes up.Then sodium  gated channels, which  were initially in refractive state reopens, sodium ions diffuses inwards for depolarization, and the neuron returns to depolarized state.

3 0
3 years ago
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