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Yakvenalex [24]
3 years ago
8

Which of the following has a cell membrane?

Biology
1 answer:
Leviafan [203]3 years ago
6 0
Both a and b has a cell membrane or a plasma membrane!

I hope this helps! :D
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What errors exist in the table below?
Vera_Pavlovna [14]

Answer:

A. spiral galaxies are not pinwheel-shaped

Explanation:

There are three types of galaxies that include spiral galaxy, elliptical galaxy and irregular galaxy.

Elliptical galaxies are round shaped as well as elongated. Elliptical galaxies have both old and new stars but mostly it contains old stars.

Spiral galaxies are pinwheel-shaped due to the regular spinning motion of dust, stars and gas around the galactic center, at speeds of hundreds of kilometers per second which allows the matter to take a  pinwheel-shape. Spiral galaxies are made up of lot of gas and dust and forms many new stars which allows the spiral galaxy to shine bright.

Irregular galaxies do not have any definite shape because of the gravitational influence of close galaxies. They also have many new stars.

Hence, the error is foudn in first sentence, where it says that spiral galaxies are not pinwheel shaped. so teh correct option is A.

7 0
3 years ago
True or False. Water stayed in the straw activity we did because of water pressure.
Vanyuwa [196]

Answer:

2

Explanation:

because it being pressure

4 0
3 years ago
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When looking at a mineral the best to tell its true color is looking at the mineral's?
ValentinkaMS [17]
True.......................................
6 0
3 years ago
How did adaptive radiation affect plants after they first moved to land?
____ [38]

Answer:

The correct option is D.

Explanation:

Adaptive radiation refers to the ability of living organisms to evolve rapidly from an ancestral forms into variety of other forms especially when the organisms move into a new environment that has abundant resources. The resources, which are present abundantly in the environment allow the living organisms to spread out in the environment and to find different habitats in the environments that favour their survival.

In the question given above, adaptive radiation allows plants to fill different habitats (niches) that are found on land and to spread out rapidly.  

8 0
3 years ago
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There are two main process involved in producing a protein molecule from the information in DNA.
Radda [10]

Answer:

which website is this from ?

Explanation:

8 0
2 years ago
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