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3 years ago

30. What is the name of the process by which new cells are made for growth and repair?

Biology

2 answers:

astraxan [27]3 years ago

8 0

Answer:

cell division,the process of mitosis

Kazeer [188]3 years ago

4 0

Answer:

cell division

Explanation:

This is where cells would get damaged or die and this process calls cell division occurs

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4. Imagine yourself as a protein who would like to find your DNA sequence you’d like to bind. Consider what it would take for yo

antoniya [11.8K]

Answer:

Explanation:

Protein molecules binding to DNA initiate sequences of biochemical transitions that control and regulate all major process in the living cells

These protein molecules strongly bond to special sequences of DNA known as specific binding sites

Theoretically , there are two main components of binding forces

- One of them is purely electrostatic attraction between oppositely charged DNA and protein molecules that are mostly sequence independent

- Other one comes from particular DNA sequence that strengthens the attraction of protein molecules

The origin of this increased affinity is due to combination of van der waals , hydrogen , covalent and steric interactions as well as electrostatic charge patterns recognition

Some studies has suggested that there is an additional statistical interaction potential between protein and DNA molecules. Source of this interaction is due to the specific structure and symmetry of DNA sequences to which protein molecule binds

DNA sequences with repeated homogeneous segments (A:T or G:C) have stronger affinity for association to DNA binding proteins as compared to heterogeneous sequences

3 types of interactions takes place on encounter of protein and DNA molecule which are van der waals forces , hydrogen bonds between complimentary organic bases (base pairs) and hydrophobic interactions between the nitrogenous bases and the surrounding sheath of water

Of all these forces van der waals forces are strongest and hydrophobic interaction between the nitrogenous bases and surrounding sheath of water is the weakest .

6 0

3 years ago

Which law might require you to do some math calculations?

Vadim26 [7]

Answer:

Law 2

Explanation:

Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.

Mathematically, it is given by the formula;

$Force = mass * acceleration$

Hence, Law 2 might require you to do some math calculations.

For example, an object having a mass of 20kg is pushed by John and it then accelerates down the inclined plane at a rate of 0.5m/s². Find the force applied on the object.

Given the following data;

Mass = 20kg

Acceleration = 0.5m/s²

To find the force;

Force = mass * acceleration

Substituting into the equation, we have;

Force = 20 * 0.5

Force = 10 Newton.

5 0

3 years ago

a group of environmentalists were discussing the benefits and drawbacks associated with using fossil fuels which argument best f

V125BC [204]

Answer : Fossil fuels are cheaper than alternative forms of energy.

Explanation : Fossil fuels are considered to be the rich sources from fossils which were crushed down under the layers of rocks millions of years ago. It is assumed that in certain areas of the world where the decomposition of millions of organisms occurred very long ago. It is found to be simpler in some ways to collect and is distributed widely. This was the argument that fits best to the conversation between the group of environmentalists who were discussing between the benefits and drawbacks which are associated with using fossil fuels.

4 0

4 years ago

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Why do you think mining on land would be less costly than mining in the ocean?

SOVA2 [1]

Explanation:

Because dense minerals are heavier and drop to the stream bottom, lighter minerals are carried along in the current of the stream. Why do you think that mining on land is less costly than mining in the deep ocean is? It is easier to get to land than the ocean and you need special equipment to go under water.

8 0

3 years ago

What is skeletal system?

8_murik_8 [283]

<h2>A system that provides structural strength and support and forms the framework of our body is known as skeletal system.</h2>

3 0

2 years ago

Read 2 more answers