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Fantom [35]
3 years ago
8

What is brain cancer ?

Biology
1 answer:
4vir4ik [10]3 years ago
4 0

Answer:

Brain cancer is an overgrowth of cells in your brain that forms masses called tumors. Cancerous, or malignant, brain tumors tend to grow very quickly. The symptoms of brain cancer depend on the size and location of the tumor.

Common brain cancer symptoms include:

headaches that are usually worse in the morning

nausea

vomiting

a lack of coordination

a lack of balance

difficulty walking

memory lapses

difficulty thinking ,speech problems

.Many of the symptoms of brain cancer are also caused by other, less serious conditions. There’s no need to panic if you’re experiencing these symptoms, but it’s a good idea to visit your doctor to have your symptoms investigated, just in case.

Explanation:

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Which of the following human activities MOST negatively affects natural climate change?
tino4ka555 [31]

The right answer is the burning of fossil fuels.

While all these proposals have a bad impact on the biosphere, Proposal B is the only one that has a direct link to climate change.

Air pollution by combustion is an alteration of air quality that can be characterized by measurements of chemical, biological or physical pollutants present in the air, with consequences that are detrimental to human health, to living beings , climate, or material goods.

5 0
3 years ago
Why are biologists still debating the classification of protozoans? A. Biologists never agree on anything. B. There are estimate
miskamm [114]

Answer:

B

Explanation:

Answer B is correct:

Because the biologists are continuing to learn more and more about such minute organisms, protozoan systematics – that is,  the taxonomy (classification) and the evolutionary interrelationships of major groups of protozoa – remains a  topic of debate and change, still today.

Some of the rather  LARGE and unwieldy taxonomic groupings of past years are  particularly subject to revision with expansion of and  refinement in the knowledge about the members of those –  and related – assemblages. Paradoxically, the protozoa  themselves are becoming more difficult to define with  precision as our information about them and other microbial assemblages increases. Thus, presenting a single  satisfactory circumscribed definition for them is not an  easy task.

...

Answer A sounds so funny.

Answer C and D are false because Protozoans are usually single-celled and heterotrophic.

...

Hope this answer can help you. Have a nice day!

6 0
3 years ago
Find the acceleration if the change in velocity is 5 m/s and the time is 10 seconds
Paladinen [302]

Answer:

i think that

Explanation:

solution

given

velocity (v) = 5m/s

time(t) = 10 sec

acceleration (a) = ?

By using formula,

a = v÷t

a= 5÷10

a = 2m/sec

5 0
3 years ago
Read 2 more answers
You are studying a cloned line of neuronal cells that grow in culture and form synapses with a cloned line of muscle cells. Thes
murzikaleks [220]

Answer:

Explanation:

TransA can be found in the plasma membrane, while TransB is found in the cytoplasm, according to the immunofluorescence localization test analysis. There are two main varieties of serotonin transporters in the neural system when it comes to serotonin signaling.

  • An intracellular transporter that carries and delivers serotonin throughout synaptic vesicles.
  • A transmembrane transporter that prevents hyperactivity overstimulation by re-uptaking serotonin from the synapse.

Therefore, suppose we compare this signaling pathway model to the analyzed experimental test. We can vividly acknowledge that TransA acts as a serotonin reuptake transporter since it is present in the plasma membrane of nerve cells and TransB is a serotonin vesicle transporter that is present and located in the cytoplasm. As a result, the majority of TransB is speculated to be present in synaptic vesicle membranes.

4 0
2 years ago
What is the meaning ontonic pressure
Serjik [45]
Ontonic Pressure, or colloid osmotic pressure, is a form of osmotic pressure exerted by proteins, notably albumin, in a blood vessel's plasma (blood/liquid) that usually tends to pull water into the circulatory system. It is the opposing force to hydrostatic pressure.

Hope this helps! <3
4 0
3 years ago
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