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jok3333 [9.3K]
2 years ago
11

What are clouds of dust and gas from which a star first forms. They are pulled together by gravity into a spinning disc. The cen

ter of the disc becomes a star while the rest can be come a system of planets
Biology
1 answer:
maks197457 [2]2 years ago
6 0

The Nebula would be your answer, it is a cloud of dust and gas in outer space :)

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Suggest why an MRSA infection may have to be treated with many different antibiotics
schepotkina [342]

Answer:

A trio of antibiotics that had become powerless against MRSA decades ago proved effective in infected mice when used together.

Although more testing is needed, the results suggest that combinations of already-approved antibiotics might add to our options to combat MRSA infections.

Explanation:

3 0
2 years ago
In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal
Lera25 [3.4K]

Answer:

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is  Bbff

Genotype fo Bill having red hair and six fingers  when his mother had five fingers is bbFf

Bbff * bbFf

Bf         bf         Bf         bf

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0
3 years ago
A group of tissues that work together to perform
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Answer:

1

Explanation:

An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.

5 0
3 years ago
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Transport of materials into a cell against a concentration gradient
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Explanation:

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Answer:

A

Explanation:

Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with.

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