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3241004551 [841]
3 years ago
7

The body's reaction to long-lasting stress is associated with ____.

Biology
2 answers:
White raven [17]3 years ago
6 0

Answer: The body's reaction to long-lasting stress is associated with impaired immune response.

The body immune system is the first defence mechanism against any invading pathogens, physical and mental stress. There are two ways by which stress can affect the immune system: firstly by the creation of chronic inflammation harming the tissues and secondly by the suppression of the immune cells for fighting the infection.

During stress or fight-or-flight condition, body starts to produce more amount of cortisol which is a stress hormone. The immune system is suppressed by lowering the amount of the protein needed to signal the immune cells. This reduces the number of lymphocytes or B cells and T cells.


tatyana61 [14]3 years ago
4 0
Depression is the answer
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How are characteristics that suit a species for survival transmitted from one generation to the next?
Bess [88]

The characteristics that suit a species for survival are transmitted from one generation to the next through genes which are the units of hereditary information.

<h3>What is a Gene?</h3>

This is referred to as the basic functional unit of heredity and is composed of DNA which are passed from the parent to the offspring.

This is done through the process which is known as meiosis in which four unique daughter cells are produced.

This is therefore how characteristics that suit a species for survival are transmitted from one generation to the next through the gene and is the most appropriate choice.

Read more about Gene here brainly.com/question/19947953

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5 0
2 years ago
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algol13
Which of the following helps ensure groups access to resource it needs for survival? D- Territorial behavior

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5 0
3 years ago
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Two plants that are pure bred are crossed. One is short and one is tall, Tall is dominant. If two of their offspring are crossed
Zigmanuir [339]

Answer:

C

Explanation:

after doing the genetic cross the parents will be TT so when you cross you get all are Tt if you cross F1 you get a ratio of

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4 0
3 years ago
Un gas puede condensarse al disminuir su temperatura?
myrzilka [38]

Answer:

Si.

Explicación:

Sí, un gas se puede condensar cuando su temperatura disminuye porque cuando la temperatura del área circundante del gas disminuye, se produce una condensación que cambia el estado de la materia i. mi. de gas a estado líquido. La principal razón de esta condensación es la aproximación de moléculas de gas que están muy alejadas unas de otras. Con una temperatura más baja, el volumen disminuye y las moléculas de gas se combinan para formar un líquido.

6 0
3 years ago
Briefly describe asexual reproduction in plants
AysviL [449]

Asexual reproduction requires only one parent. Since there is only one parent, there is no exchanging of genetic information, and the offspring are clones of the parent. Asexual reproduction in plants can occur in a variety of forms, including budding, vegetative propagation, and fragmentation. Let's discuss these reproduction types.

Have you ever found an old potato hidden in the back of a cabinet in your kitchen? If a potato sits around for a long time, it will have many small growths, commonly referred to as 'eyes'. Each of these sprouts can be cut from the potato and planted. They will grow into a clone of the original plant that produced the potato. This is a classic example of budding.

For an example of vegetative propagation, let's look at the strawberry plant. If you plant strawberries, you will notice that a row of plants will quickly spread into a large mass of plants. This is because they do a type of vegetative propagation by producing runners. Strawberry plants send out horizontal stems known as stolons. These stems will work their way into the ground in places and form roots, and eventually a new plant will grow.

A third type of asexual reproduction in plants is called fragmentation. This type of asexual reproduction is often used by nurseries and greenhouses to produce plants quickly. For many plants, a clone can be created by breaking off a portion of the stem and placing it in soil or water, depending on the plant. This also happens naturally when small parts of a plant fall off onto the soil and begin to grow into a new plant. An example of fragmentation occurs in liverwort plants, whose small stems or leaves are often broken off by animals or wind and then grow into clones of the parent plant when they land in the soil. I hope this helps 

3 0
3 years ago
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