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Nataly_w [17]
3 years ago
11

What experiment convinced Rutherford that the atom has a small,positively charged nucleus

Biology
1 answer:
Tema [17]3 years ago
6 0

His gold foil experiment in which he shot rays at a sample of an element and surrounded it in particle reading metal and discovered that some of the particles we ricocheted off of the element.

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What helps an animal to look like another animal to stay protected from predators? *<br> (0/1 Point)
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Answer: ADAPTIVE COLORATION

Explanation:

Colour and colour patterns play an important role in adaptations of animals. Such adaptive coloration is due to the presence of pigments in cells called CHROMATOPHORES. These cells are involved in coloration and color change which helps an animal to look like another animal to stay protected from predators.

Adaptive coloration may be grouped into :

--> WARNING COLORATION: some animals display bright colours and patterns that announce their presence rather than conceal it. Example is the yellow and black stripes of yellojackets and other wasps which have very painful stings.

--> MIMICRY: colours and patterns are used extensively by mimics. For example, the foul-tasting Actaea butterfly and the poisonous African monarch are mullerian mimics. They resemble each other closely because they have similar colouring and patterns on their bodies.

--> CONCEALING COLORATION: This is used in camouflage. It helps an animal to remain unnoticed by the predator. Certain animals change the colour of their body surfaces to match their environment and so escape detection.

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3 years ago
Brown hair is dominant over blonde hair. Could two brown hair people have a blonde haired kid? Explain
Nookie1986 [14]

Answer:

Two people with brown hair could have a child with blonde hair, but only if they are both heterozygous.

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3 years ago
Carbon is found in carbonate rocks, such as limestone, in the atmosphere as carbon dioxide gas, in water as dissolved carbon dio
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Sulforhodamine B (SRB) cell cytotoxicity assay has been widely used for drug toxicity screening and cell proliferation detection.

https://www.creative-bioarray.com/sulforhodamine-b-srb-cell-cytotoxicity-assay.htm

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Aplastic anaemia is a type of anaemia characterised by reduction in the production of enough new blood cells by the body (bone marrow).

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Aplastic Anaemia can be caused by radiation or chemotherapy,it can also be caused by autoimmune reaction when your body starts attacking it's stem cells in the bone marrow.

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