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Mariulka [41]
3 years ago
10

What do electrons in the same shell have in common​

Biology
2 answers:
alina1380 [7]3 years ago
8 0

Answer:It predicts and lists all chemical elements in the universe. What do electrons in the same shell have in common? They all have the same amount of energy. ... They cannot be broken apart without losing their chemical properties.

Explanation:I took a quiz on it

Alex777 [14]3 years ago
5 0

Answer:

They have the same amount of energy

Explanation:

They cannot be broken without losing their properties.

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Answer the following?
exis [7]

Answer: ° Pop Beads represent two pair of homologous sister chromatids.

° In terms of number and kinds of chromosomes, Chromosomes number will be the same, Also Similarity of genetic information will be the same.

°Interphase

Prophase

Metaphase

Anaphase

Telephase

° In terms of number and kinds of chromosomes; resulting cells will resemble only half of the chromosome. Also, there will not be exact correspondence in similarity of genetic information as their parents.

° Haploid Cells (n) are cells that contains a single set of chromosomes e.g sex cells (egg or sperm cell)

Diploid cells (2n) are cells that contains two set of homologous chromosomes. A vivid example of these are the somatic cells.

° Chromosomes are replicated only once in meiosis.

° Chromosomes are pulled to opposite poles in meiosis only twice.

° Crossing Over also known as genetic recombination can be defined as the exchange of genetic materials between two homologous chromosomes non sister chromatids which pair up to form recombinant chromosomes.

Explanation:

Since we have questions with multiple attachments, repetition of words will be avoided and those that need explanation will be our focus.

1° When we hear Pop Beads, it's pertinent to think biologically that Pop Beads are used in tracking chromosomal DNA movements in Cell Division.

Thus, Pop Beads represent extensions of homologous Sister Chromatids

2° Let's recall : that both diploid and haploid cells can undergo mitosis. Mitosis is a division of a cell nucleus in which the genome is copied and separated into two identical halves. Hence, in terms of numbers and kinds of chromosomes; if (for example) a diploid cell undergoes mitosis, the resulting cells will be two identical diploid cells i.e (2n = 2n).

Therefore, chromosomal number and genetic information will be the same.

4° In meiosis, cell division occurs that reduces the chromosomes number by half, giving rise to four haploid cells, each genetically different from their original (parent) cells.

Hence, in terms of numbers and kind of chromosomes, the resulting cells will produce half of the chromosomes. Also, genetic information will differ from their original cells.

6° If we look at what Chromosomal replication is, we'll realize that: it's a biological process of producing two identical replicas of chromosomes from one original chromosomal molecule.

In meiosis, chromosomal replication occur "ONCE" . But there are two rounds of cell division. (Meiosis 1) where exchange of genetic information of takes place and (Mieosis 11) where daughter cells divides and splits up into sister chromatids to form haploid gametes.

7° Like we said earlier, Chromosomes are pulled to opposite poles in meiosis only "TWICE".

The first occurs at (ANAPHASE 1), when a pair of chromosomes are pulled apart by meiotic spindle, which in turns pulls one chromosome to one pole of the cell and the other chromosomes to the opposite pole.

In (meiosis 11), Chromosomes are pulled to opposite poles at (ANAPHASE 11); when daughter cells line up along the equator and centrioles are now at opposite pole creating avenue for meiotic spindle fibre to attach to each sister chromatids at ends of each poles.

4 0
3 years ago
A. MeningesWrite the name of the structure described._____ 1. Middle meninx; web-like_____ 2. Tough, outer meninx_____ 3. Space
Harlamova29_29 [7]

Answer:

1.- Arachnoid mater: Middle meninx; web-like.

2.- Dura mater<u>:</u> Tough, outer meninx.

3.- Epidural space: Space filled with adipose tissue.

4.- Pia mater: Thin meninx intimate with spinal cord.

5.- Subarachnoid mater<u>:</u>  Contains cerebrospinal fluid.

6.- Denticulate ligaments : Extension of pia mater attaching to dura.

3 0
3 years ago
Dr. carl simonton is credited with introducing art therapy for his patients diagnosed with:
Elanso [62]
<span>Dr. Carl Simonton is introducing art therapy used for Post traumatic stress disorder patient with psychological problems. Art therapy is a form of expressive therapy that uses the creative process of making art to improve a person’s physical, mental, and emotional well-being. Art therapy stands in contrast with other kinds of creative or expressive arts therapies that use dance, music or drama. ... However, the potential healing power of art therapy has not been thoroughly studied in certain patients, such as trauma victims with disorders such as PTSD. Post traumatic stress disorder</span>
6 0
3 years ago
Which is the cell structure that is made of DNA that gives the master instructions for the cell?
luda_lava [24]

Answer:

I believe the answer is Chromosomes.

Explanation:

8 0
3 years ago
Read 2 more answers
The skin is richly supplied with arteriovenous anastomoses in which blood flows directly between an artery and a vein, bypassing
yaroslaw [1]

Answer: Temperature control

Explanation:

Arterio-venous anastomoses (AVAs) are direct connections between small arteries and small veins. In humans they are numerous in the glabrous skin of the hands and feet.

They are very significant in body temperature control. These temperature control are under the dual control of the central nervous system and the local thermal influence. While the arteriovenous anastomoses control the skin temperature through volume changes in the superficial venous bed, the arterioles and capillaries operate by generalized dilatation which results both in increased temperature and in redness of the skin.

7 0
3 years ago
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