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Juliette [100K]
3 years ago
8

What does a nucleus do

Biology
1 answer:
loris [4]3 years ago
8 0
The nucleus directs all activities that happen within the cell and contains the cell genetic material (DNA).<span> The nucleus gives the signal to the cell to grow, divide and/or make proteins. </span>
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Mr. A.H., age 44, had a generalized tonic-clonic seizure unexpectedly at work_ He had no history of seizures, trauma, infection,
NemiM [27]

Answer:

a tumor is a growth of abnormal cells in the brain tissue, in this case they are malignant cancer cells since their growth is very fast, some are primary that start directly in the brain and other metastatic that start in another part of the body, in the case of Mister AH always had primary symptoms.

Tumors in the brain can show various symptoms. These are some of the most common:

Headaches, usually in the morning

Nausea and vomiting

Changes in the ability to speak, hear or see

Balance or walking problems

Problems with thinking or memory

Weakness or longing to sleep

Changes in mood or behavior

Seizures

tumors can destroy brain cells which can cause inflammation and damage to parts of the body depending on where in the brain this is exerted, this also aggravates the symptoms.

Radiation therapy used to treat brain cancers increases the risk of brain tumors up to 20 to 30 years later.

In this case, he was causing this same reaction to Mr. AH, which may also have another type of tumor such as

Meningiomas and schwanomas are two other types of brain tumor. These tumors:

They occur in most cases between the ages of 40 and 70.

They are not usually cancerous, but they can still cause serious complications and death due to their size or location. Some are cancerous and aggressive.

7 0
3 years ago
The image below represents two waves X and Y, traveling to the same medium at the same speed how are the two waves different?
lyudmila [28]

Answer: D is right

Explanation:   It seems both waves have same wavelength.

Because speed = wavelength · frequency  (v = λf)  and

f = v/λ, so frequency is same.  Because period T = 1/ frequency, also periods are same.  Wave Y has higher amplidude and its energy is greater.

3 0
3 years ago
Identify the RNA bases that would pair up with the DNA sequence TGCACT
baherus [9]

Answer:

it is a please mark branliys

Explanation:

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Perhaps the world's most famous early human ancestor, the 3.2-million-year-old ape "Lucy" was the first Australopithecus afarensis skeleton ever found, though her remains are only about 40 percent complete (photo of Lucy's bones). Discovered in 1974 by paleontologist Donald C.
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How did scientists determine how old the ocean floor is?
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The answer would be B
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