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Vanyuwa [196]
4 years ago
15

How is a theroy developed?

Biology
1 answer:
solniwko [45]4 years ago
7 0
Well a theory is when a person comes up with something that they believe is to be true, and they work on projects and other things to show their thinking. theories won't always bee correct which helps us humans grow and come up with new ones
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Eukaryotic cells can have up to how many times more dna than prokaryotic cells?
lina2011 [118]
Eukaryotic cells can have up to 1,000 times more DNA than prokaryotic cells.
8 0
3 years ago
All cells contain DNA, which provides information for the cells to make A. new types of genes. B. new types of organisms. C. dif
ikadub [295]
The answer would be D. New kinds of proteins. I hope this helped ^^
5 0
3 years ago
Read 2 more answers
Which correctly lists the three processes that are affected by freeze and thaw cycles?
Paha777 [63]

Answer:

Slump creep and weathering

Explanation:

Freeze-thaw weathering occurs when water from rainfall or melt snow penetrate into cracks and the temperature is lowered than a liquid and freeze. The process where exposed rock is broken. It gives the landscape a new shape.

When the freeze occur it expands the rock and when the temperature increases above freezing the thaw ice further penetrate into the crack.

Weathering the breaking down of rock into smaller frequent affects freeze-thaw as it allows water to penetrate into cracks.

Slump is the downward movement of materials from rock surface, it allows material to move alone the rock surface liquid such as water can be allowed to move and penetrate cracks. crack rock fragment that results from freeze thawing are deposited at rock base and form smaller rocks

Creep is also the movements of weathered materials down the slope of rock surfaces. It could result from freeze thaw.

3 0
3 years ago
genetic code in the nucleus b. main component in a ribosome c. translated with introns removed d. attached to amino acids e. tra
KiRa [710]

Answer:

a.genetic code in the nucleus- DNA

b. main component in a ribosome- rRNA

c. translated with introns removed- mRNA

d. attached to amino acids -tRNA

e. translated including introns-  pre-mRNA

Explanation:

a. DNA- is a nucleic acid molecule that acts as a genetic material in the organisms. In eukaryotes, the DNA molecule is present in the nucleus of the cell .

b. rRNA- is a molecule formed by the transcription but does not undergo translation and is directly involved in the formation of the ribosome structure which provides the site for the protein synthesis.

c. mRNA- is the RNA formed from the DNA by transcription which contains the message for the formation of the protein molecule. The mRNA is formed after the modification like splicing which removes the non-coding sequence.

d. tRNA-transfer RNA is involved in the translation of mRNA as it brings a specific amino acid to the peptide after it recognizes the codon.

e. pre-mRNA- is the mRNA molecule that has not undergone any modification and thus contains the non-coding sequence also.

3 0
4 years ago
What are the routes of entry for pathogenic bacteria to enter the body milady?
fomenos

There are certain routes in a person’s body that will allow pathogenic bacteria to enter and cause illness or disease. Certain routes where pathogenic bacteria will enter is through inflamed skin or there is a presence of broken skin which we may describe as having scratch or cut. This is an open wound where bacteria would likely enter the body. Another passage way is the mouth, eyes, ears or nose. Lastly, sexual transmission, when it is done in an unprotected way.

4 0
4 years ago
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