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saul85 [17]
2 years ago
13

Does a prokaryote have a nucleus

Biology
1 answer:
creativ13 [48]2 years ago
3 0

Prokaryotes are organisms whose cells lack a nucleus and other organelles. ... Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm.

sorry if i'm wrong

i'm new to brainly

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if an element has a half-life of 30 million years and there is 12.5% of it remaining in a rock, how old is that rock
Assoli18 [71]

Answer:

The half-life of a substance is the amount of time it takes for half of that substance to decay. However, after two half-lives, half of the half remaining will decay, leaving you with one quarter of the original substance.

So, after 1 million years you will have 50% of the original substance remaining.

And, after 2 million years you will have 25% of the original substance remaining.

After 3 million years you will have 12.5% of the original substance remaining.

And after 4 million years you will have 6.25% of the original substance remaining.

Explanation:

Hope it helps:)

3 0
3 years ago
What on a bird besides its feet is chemically similar to scales?
Elina [12.6K]
Would it be its beak? It's hard and protective like scales

5 0
3 years ago
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Match the level of organization to the correct description.
noname [10]

Answer:

Organism - Individual living thing

Community - All of the different populations that live and interact in an area.

Population - Group of similar organisms.

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Hope this helps you

3 0
3 years ago
How does the closing of the stomata limit photosynthesis?
ycow [4]

Answer:

Stomata opens to intake carbon dioxide in the presence of light there by allowing the process of photosynthesis during the day time.

Explanation:

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8 0
3 years ago
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When electrons are added to the outermost shell of a carbon atom, it forms
NikAS [45]
When electrons are added to the outermost shell of a carbon atom, it forms an anion that has a larger radius. An anion always has a larger radius than a neutral atom of the same element. This is because more electrons cause greater repulsion between its nucleus and electrons, making the electrons move farther away from the center.
8 0
3 years ago
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