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Eva8 [605]
4 years ago
14

While all cells in an organism contain the same genetic information explain how genes are both expressed and regulated in differ

ent ways
Biology
1 answer:
Vaselesa [24]4 years ago
8 0

All the cells in a person's body have the same DNA and the same genes. However, the difference between cells in different tissues and organs is that the "expression" of the genes differs between cells. Expression means that the message from the DNA is being copied and made into protein.

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Sensory and motor tracts within the spinal cord
igor_vitrenko [27]

Answer:

b. have names that indicate the location of the initiation and termination of the nerve impulses

Explanation:

The sensory and motor tracts are sets of nerve fibers that run inside the central nervous system; more precisely within the spinal cord and they are named according to the path their fibers have, that is, we will call them indicating from where they begin to where they arrive.

For example, the spinothalamic tract is a sensory tract that carries the sense of touch and pressure from the spinal cord to the thalamus.

On the other hand, corticospinal tracts are linked to isolated and specialized voluntary movements (especially from the distal part of the limbs) and descend from the cerebral cortex to the spinal cord.

As for the other options, I can say that they are incorrect because the tracts do not differ to the right and left of the cord in sensory and motor. Also, the tracts are located in the white substance not in the gray.

5 0
3 years ago
Which of the following is an example of a counter-argument?
sergij07 [2.7K]

Answer:

C

Explanation:

Because i said so

8 0
4 years ago
Read 2 more answers
There is less energy available to consumers at higher levels in a food chain. Why?
ladessa [460]

Answer:

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.

Explanation:

6 0
3 years ago
Help me with the answers please
jeka94
I’m going to say for the first one it’s a
5 0
4 years ago
What is cancer? (please make sure to include mitosis and cell division)
saw5 [17]

Answer:

<h2><em>Cancer is a disease in which abnormal cells divide uncontrollably and destroy the body tissue. // Putting it into simple words, It’s an error caused in meiosis and cell division.</em></h2><h2 />

WELL here's what it does to your body... (please read all of it...thank u)  

Let's start with what is cancer? Cancer is an uncontrolled growth of abnormal cells in the body. Cancer is caused by a mutation in DNA cells. The DNA inside a cell is packed into a large number of individual genes. Those genes in the cell, each contains a set of instructions telling the cells what types of functions to perform as well as how to grow and divide into more cells. Kind of like a little increased cell factory like system. Errors in the 'instructions' can cause the cell to stop its normal work and functionality and allow a cell to become cancerous.  

Soo... gene mutations can instruct healthy cells to allow and naturalize excessive growth or rapid growth in cells to divide. So then all the new cells are infected and mutated. It can also fail to stop unhealthy rapid growth. Basically, cancer cells lose control in the factory and basically keep on spreading and growing an unhealthy amount till it gets deadly. Just kidding but basically thats what it means. AND gene mutations also make "mistakes" when they try to fix DNA errors. Which then are lead to turn into cancerous cells.  

Now, what causes gene mutation? Gene mutation can be caused by one of many reasons. Two of the main reasons is being born fresh out your mommas womb. You could be born with a genetic gene mutation you most likely inherited from your parents. OR it could be caused by the enviroment you live in. Causes such as smoking, radiation, obesity, harmones, etc. and a lack of exercise.  However, cells contain a mechanism that recognizes when a mistake occurs and repairs the mistake. But occasionally, a mistake is missed... which therefore results in a cell becoming cancerous.

MEANING:

Cancer is bad for your body. periodt.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<em>Hope you learned something!!!</em>

<em>GL :)</em>

6 0
3 years ago
Read 2 more answers
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