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boyakko [2]
3 years ago
5

When does cell differentiation occur?

Biology
2 answers:
frutty [35]3 years ago
8 0
Most animal cells differentiate at an early stage

dedylja [7]3 years ago
6 0

Answer:

when cells do not express genes

Explanation:

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Which is the dominant physical feature of planet Earth?
lesantik [10]

Answer:

Hmm.

Explanation:

The ocean is the dominant physical feature on our planet Earth, covering approximately 70% of the planet's surface.

6 0
3 years ago
What contains all the oxygen and carbon dioxide surrounding earth
Alchen [17]

Answer: Atmosphere

Explanation:

Atmosphere is the part of the earth, known as the gaseous part, since it contains gases such as nitrogen (about 78%), oxygen (about 21%), Carbondioxide (about 0.03%), and rare gases to make the rest.

Thus, atmosphere contains the most whole of oxygen and carbon dioxide

8 0
3 years ago
Need help with 34 ASAP!!
Deffense [45]

Answer:

A.

Explanation:

It is A because the diagram for choice A shows correctly how cellular respiration produces energy and releases carbon dioxide and water as byproducts(CO2). And it also shows how photosynthesis release or produces oxygen gas (O2)

3 0
3 years ago
Louis Pasteur said, "The role of the infinitely small in nature is infinitely large." Explain what he meant, using examples of t
Rus_ich [418]

Answer:

HEALTH SECTOR(microorganisms have led to the most devastating diseases of man such as HIV VIRUS, HEPATITIS VIRUS, SALMONELLA TYPHI AND PARATYPHI SPPS)

INDUSTRY(microorganisms have led to masses losses due to contamination of foods like the GROWTH OF MOLDS)

ENVIRONMENT most contamination of the environment are caused by microorganisms.

Explanation:Louis Pasteur meant that with the microscopic nature of microorganisms they have been able to make great impact in the world.

IN THE HEALTH SECTOR Microorganisms have been the major cause of the diseases of human and animals world wide, diseases such as Hepatitis A,B,C Virus,Typhoid caused by Bacteria (Salmonella typhy and paratyphy spp) etc have been a cause of a huge number of death.

INDUSTRY

Microorganisms are major causes of loss in the industries leading to large scale contamination of food products, such as Fungi infestation on foods especially of plants origin. MICROORGANISMS ALSO HAVE BENEFITS IN THE INDUSTRY AS IT IS USED IN THE FERMENTATION OF FOOD PRODUCTS.

IN THE ENVIRONMENT

Microorganisms are the major cause of environmental hazards such as the contamination of water bodies, the air (THE HUMAN FLU VIRUS) etc ALL THESE MICROORGANISMS HAVE CAUSED MASSIVE DEATHS THE WORLD OVER.

5 0
3 years ago
True or false: During photosynthesis, CO2 is split to release oxygen gas. If false, make it a correct statement
KATRIN_1 [288]

Answer:

True

Explanation:

8 0
2 years ago
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