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user100 [1]
3 years ago
6

Which of the following is a subatomic particle located inside the nucleus of

Biology
1 answer:
gtnhenbr [62]3 years ago
8 0

The answer is :

B. Neutron

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The study of changes in phenotype that are not related to changes in the DNA and that may result from the interaction between th
Gnom [1K]

Answer:

Epigenetics.

Explanation:

Epigenetics is the study of phenotypic changes which are heritable but not related to changes in the DNA sequence. It is influenced by several factors including the environment.

An example of epigenetics is DNA methylation: addition of methyl group to some part of the DNA that prevents that part from being expressed. Other examples include history modifications.

In summary, Epigenetics describes inheritance through other mechanisms than through the DNA sequence.

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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.

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3 years ago
14. What is the exoskeleton of an arthropod composed of?
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Chitin, the exoskeleton is composed of a hard chitin.
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Which of the following statements is most accurate about how individual atoms produce light?
liraira [26]

Answer:

An electron in an excited energy level of an atom will always drop to lower energy levels, emitting very specific wavelengths of light in the process.

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2 years ago
A geologic time scale analogy
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To Show order of events and time periods in geological time and Order of events and ages
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