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jeka94
3 years ago
6

List three examples of water pollution

Biology
2 answers:
drek231 [11]3 years ago
8 0
Pouring oil into the ocean
throwing cans in it
adding to what the fishes already laid in there
Vlad1618 [11]3 years ago
5 0
Nutrients Pollution
Surface Water Pollution
Oxygen Pollution
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Which statement best describes the cycling of carbon between the atmosphere and hydrosphere?
Ainat [17]

Answer:

D

Explanation:

it would be d as when organisms or plants die they would decay and the energy and nutrients and carbon would then be broken down and absorbed by the soil

4 0
3 years ago
Read 2 more answers
Copying of the information in dna into rna, which can exit the nucleus is called
Oksi-84 [34.3K]
Definition:
                 "Copying of information from DNA to RNA which exit nucleus is                                                         known as transcription"

Explanation:

                    Transcription is a vital process for living organisms, because it is a staring point for protein synthesis. It occurs inside the nucleus and is carried out by RNA polymerase enzyme. In eukaryotes RNA pol is of three types: these are RNA Pol 1, RNA Pol 2, and RNA Pol 3. In prokaryotes it is of only one type.

Steps in transcription:
                                     Transcription consists of three main steps
1. Initiation:
                   In this step RNA pol attach to DNA template at 5 prime end in the promoter region to start the formation of complementary strand of RNA.  In prokaryotes there is a region called <span>Pribnow box, with the </span>consensus sequence<span> TATAAT present about 10 base pair away from site that serves as a transcription initiation. In eukaryotes the promoter region is more complex it contain activator and enhancer.

2. Strand elongation:
                                   </span><span>Once transcription is initiated, the DNA double helix unwinds and RNA polymerase reads the template strand, adding nucleotides to the 3′ end of the growing chain.
</span>
3. Transcription Termination:
                                                T
erminator sequences are found close to the ends of non-coding sequences. Before termination polyadenylation occurs.  <span>












</span><span>
</span>

3 0
3 years ago
The orange color of carrot roots and marigold flowers comes from cell bodies known as chromoplasts.
Ymorist [56]
True, it comes from chromoplasts<span>
</span>
7 0
3 years ago
All cells contain a special molecule called
Travka [436]

Answer: DNA

Explanation:

DNA also referred to as deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Almost every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus.

3 0
3 years ago
How does bacteria without a nucleus reproduce. PLZ HURRY!!!!
Lostsunrise [7]
Prokaryotes: Organisms whose cells lack a nucleus and therefore have DNA floating loosely in the liquid center of the cell. Prokaryotes divide, and thus reproduce, by simple mitosis.
3 0
3 years ago
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