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3 years ago

Explain why it is not possible to change hereditary conditions.

1 answer:

5 0

Answer and Explanation: Before answering your question, let me explain to you what actually heredity is. Newborn babies inherit some traits from their parents both from mother and father in form of chromosomes, which is present in the nucleus of human cell. Human has 46 chromosomes in total in form of 23 pairs. When a baby is made he get 23 chromosomes from each parents thus, inheriting their traits through chromosomes. These traits lie on the surface of chromosomes as a functional unit called Genes. It is made up of DNA which we referred to as the genetic material of human being. Now, you can see how complicated this loop is and this loop is part of each and every cell of your body and you have millions and trillions of cell in your body,because you cannot get rid of your DNA which means cannot take out the heredity from within your body. You always get the traits you receive from your parents and you cannot change those traits. Hereditary conditions include some of genetic diseases we receive either from our parents through chromosomes or those diseases are caused because of mutation of genes which is kind of problem in your genes. Because you cannot replace all this system, thus you cannot take out hereditary condition out of your body.

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at Niagara Falls, if 505 kg of water fall a distance of 50.0 m, what is the increase in the internal energy of the water at the

anygoal [31]

Answer:

Hope that helps

Explanation:

the increase in the internal energy of the water at the bottom of the falls

= mgh

= 505 * 9.81 * 50

= 247703 J ----answer

5 0

3 years ago

How much energy it takes to perform a specific amount of work

zmey [24]

Answer:

Depends

Explanation:

This depends on the amount of work the energy requires

6 0

4 years ago

Bonjour HELPPPP :) LOL

GalinKa [24]

Yeah what the guy above me said

3 0

3 years ago

Guys I really need help with these 2 questions , it's for my final plz help asap

mars1129 [50]

Answer:

(1) Initial speed, $u=0$

Final speed, $v=165.76m/s$

Average speed, $v_a_v_g=82.87m/s$

(2) Force of gravity, $F_g=12.8\times10^1^5N$

Explanation:

(1)

Given,

Distance, $S=300meter$

Time, $t=3.62second$

It is given that drag racer started at rest.

So Initial speed, $u=0$

Using Newton's second equation of motion,

$S=ut+\frac{1}{2}at^2\\300=0+\frac{a\times3.62^2}{2} \\a=45.79m/s^2$

Newton's first equation of motion,

$v=u+at\\=0+45.79\times3.62\\=165.76 m/s$

So, Final speed, $v=165.76m/s$

Average speed is defined as totle distance divided by totle time.

$v_a_v_g=\frac{S}{t}\\=\frac{300}{3.62} \\=82.87m/s$

So, Average speed, $v_a_v_g=82.87m/s$

(2)

Gravitation: It is the natural phenomenon in which two different bodies attract each other by virtue of their masses.

According to Newton's law of gravitation, the force of attraction between two bodies is directly proportional to the masses of the bodies and inversely proportional to square of distance between centers of mass of the bodies.

$F_g\propto\frac{m_1m_2}{r^2} \\F_g=G\frac{m_1m_2}{r^2}$ where $G$ is constant of proportionality and known as gravitation constant.