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Liula [17]
3 years ago
12

A well tested explanation that brings together many observations in science such as evolution plate tectonics biogenesis

Biology
1 answer:
Schach [20]3 years ago
8 0
I believe its Theory - An explanation of a natural phenomenon supported by many observations and experiments over time. 
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Unicellular and multicellular organisms both perform which processes?
ss7ja [257]

Answer:

Both of them perform

1- Transcription

2-Translation

3-Replication

4 0
3 years ago
Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of Cu to 3.2 gra
Tema [17]

Answer:

Do you know what the Law of Conservation of mass says? Matter is neither created nor destroyed. Therefore, you have started with 12.7 g Cu and 3.2 g S on the left for a total of 15.9 g; therefore, you must obtain 15.9 g of product(s). If Cu2S is the only product there must be 15.9 g Cu2S.

3 0
3 years ago
A child has been born prematurely and is experiencing severe asthma like symptoms. Exposure to what most likely affected cell di
Debora [2.8K]

Answer: Carbon monoxide

Explanation:

Carbon monoxide is a gas that is tasteless, colorless, and odorless, that is formed when wood, charcoal, gasoline is burnt.

When breathed in, carbon monoxide is harmful as it displaces the oxygen that is in the blood and this leads to the deprivation of the brain and other vital parts of the body of the oxygen that's is required for daily functioning.

Exposure to carbon monoxide is most likely affected cell differentiation in the growing embryo. When the pregnant woman inhales smoke, this affects the oxygen in the baby's bloodstream as it's being replaced by carbon monoxide and there's shortage of oxygen.

This affects the cell differentiation in the growing embryo and can lead to the child been born prematurely and can also lead to severe asthma like symptoms.

3 0
3 years ago
Which step in the Gram stain is the critical step in differentiating Gram negative cells from Gram positive cells?
rewona [7]

Answer:

The rapid decolorization with ethanol or acetone

and counterstaining with safranin

When a decolorizer such as alcohol or acetone is added, it interacts with the lipids of the cell membrane. A gram-negative cell loses its outer lipopolysaccharide membrane, and the inner peptidoglycan layer is left exposed: when safranin is added they will turn red. Conversely, gram-positives retain the Cristal violet and will color in purple

5 0
3 years ago
Which term do biologists use to describe the number of individuals a species requires to reproduce successfully and prevent it f
In-s [12.5K]
Minimal viable population, it's the least population an ecosystem can have of a species and not go through catastrophic events.
8 0
3 years ago
Read 2 more answers
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