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snow_tiger [21]
2 years ago
5

How does stress affect a person's genetics and DNA? (answer in paragraph form -- at least 8 sentences)

Biology
1 answer:
Y_Kistochka [10]2 years ago
6 0

Answer:

Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.

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Why is a single-celled organism not classified as an animal?
Blababa [14]

Answer:

Single-celled organism are not classified as an animal because animals are multicellular organisms i. e. made of more than one cell while single celled organisms are unicellular organisms i. e. made of one cell. In single celled organisms, one cell perform all activities while in animals special cells are responsible for particular function. There are some single celled organisms are autotrophic while animals are heterotrophic in nature.

3 0
3 years ago
A 13 year old growing 2 inches in 1 year mitosis or meiosis
marishachu [46]
Growing taller would be an example of Mitosis
3 0
3 years ago
If an rh-negative female conceives a child with an rh-positive male, what is the chance their fetus will be rh-positive?.
kaheart [24]

There is 50% chance of the child to be Rh-positive.

<h3>What is Rh factor?</h3>

Some red blood cells have a protein called a Rh factor. Person with this protein are called Rh-positive while those who don't have are called Rh-negative.

<h3>What will be the blood factor of the child?</h3>

When a Rh negative mother and Rh positive father have a child, the child has 50% chance of being Rh-positive. The child may receive the Rh factor from its father.

<h3>What is Rh incompatibility?</h3>

Your Rh factor blood type often doesn't pose a problem. Being Rh-negative during pregnancy, however, can cause issues if your unborn child is Rh-positive. When your blood and that of your child combine, your body will begin to produce antibodies that could harm your child's red blood cells. Your baby can experience other issues, such anemia, as a result of this.

Learn more about Rh factor here:

brainly.com/question/28189070

#SPJ4

7 0
2 years ago
Which type of chemical bond holds the atoms together within a molecule of watermelon
Tomtit [17]

Answer:

Water (H2O) can be called a molecule or a compound because it is made of hydrogen (H) and oxygen (O) atoms. There are two main types of chemical bonds that hold atoms together: covalent and ionic/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds.

7 0
3 years ago
A forest is cut down to plant a field of corn. How will this affect the biodiversity of the area?
zzz [600]
It would affect our environment very badly. The following reasons are why it is bad: 1)Trees are our main supply of oxygen. 2) Corn is slow at converting carbon dioxide into oxygen. 3) Many wildlife creatures (plants and animals) need that ecosystem to live.
6 0
3 years ago
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