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3 years ago

Which type of mutation results in receiving an extra chromosome?

Biology

2 answers:

MrRa [10]3 years ago

8 0

NUCLEAR ENERGY

Every second of every day our Sun converts about 4.2 million metric tons (4,200,000,000 kilograms) of hydrogen into helium using a nuclear fusion process. During this nuclear reaction, a small portion of matter is converted to an enormous amount of energy. It is this output that provides the energy for photosynthesis and for heating our atmosphere and oceans.

In this lesson, you will learn the details of the nuclear fusion process. You will also learn about another important nuclear reaction called fission and some useful applications of it.

OBJECTIVESDescribe the process of nuclear fusion.Describe the process of nuclear fission.Identify some applications for nuclear reactions.List positive and negative factors associated with nuclear reactions.VOCABULARY

Ilia_Sergeevich [38]3 years ago

5 0

I think it is duplication

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A blood test that analyzes the ability of the kidneys to perform their function is the

jek_recluse [69]

Answer;
BUN (Blood Urea Nitrogen) test.

A blood test that analyzes the ability of the kidneys to perform their function is the BUN test (Blood Urea Nitrogen test)

Explanation;
BUN test is a common test that reveals the important information about the performance of the kidney and also the liver. It is important in the evaluation of the kidney in several occasions; to help diagnose kidney disease, monitor people with acute or chronic dysfunction or failure.

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3 years ago

A key element recognized by all anthropologists who use the concept of caste is that caste groups are:___________.

nevsk [136]

A: Endogamous (staying within)

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3 years ago

What is the basic unit of life

sertanlavr [38]

Answer:

$\boxed{\boxed{\sf Cell }}$

Cell is the basic unit of life and is capable of independent existence

On the basis of number of cell all the organisms are divided into 2 types

Unicellular
Multicellular

I) The organisms which has only one cell in their body are called Unicellular organisms 

for ex - Amoeba , Paramecium

ii) The organisms which have more than one cell in their body are called Multicellular organisms

for ex - Humans , Animals

<h3>Basic structure of cell </h3>

All cell have some similar structure

I) Nucleus

ii) Cytoplasm

iii) Organelle

Iv) Cell membrane

Plant cell - Have cell wall

Large vacuole

Chloroplast

Animal cell - Lack cell wall and chloroplast , Have small vacuole

The body size of an organisms depend upon no. of cell and not on the volume

Cell --- ) Tissues ----) Organs ----) Organ system ----) Organisms

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2 years ago

which happens to a developing child first? A.The eyes are able to see B.Teeth begin to form C.The heart begins beating D.Eyebrow

kotegsom [21]

Answer:the answer is C

Explanation:

3 0

3 years ago

Read 2 more answers

Examine the different the types of relationships that occur among population in a community.

Julli [10]

Ecological relationships describe the interactions between and among organisms within their environment. The can be positive, negative or neutral.

Predation can be considered as any interaction between two species where one species is a bit stronger and benefits by obtaining resources from and to the detriment of the other.

Competition occurs when multiple organisms compete for a limited resource that they all need to survive.

Mutualism is a positive interaction that benefits two different species in the community. For example, the mutualistic relationship between alga and fungus that form lichens creating a new beneficial species in the community.

Commensalism is an interaction where one species benefits and the other remains unaffected.

Amensalism is an interaction in which the presence of one species has a negative effect on another, but the first species is unaffected. This could occur as simply as a human walking across a lawn, crushing the lowest level of the community.

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3 years ago