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scoundrel [369]
3 years ago
5

In mitosis, cells duplicate their chromosomes once and divide once. in meiosis, cells duplicate their chromosomes ________ and d

ivide ________.
Biology
1 answer:
navik [9.2K]3 years ago
3 0
In meiosis, cells duplicate their chromosomes once and divide twice.
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How many nucleotides are in 12 mRNA codons?<br><br> 12<br> 24<br> 36<br> 48
Mrrafil [7]

The correct answer is C. 36

Explanation:

In genetics, a nucleotide refers to the basic units that form genetical material. On the other hand, a codon refers to a sequence of three nucleotides in the mRNA or messenger RNA which are a set of molecules that take genetical information from ADN to the ribosome of the cell. This implies in the case of a 12 mRNA codons there are 36 nucleotides as each of the codons contains three nucleotides which means by multiplying the number of codons by three (number of nucleotides) it is possible to know the total number of nucleotides in an RNA sequence or in this case 12 (codons) x 3 (nucleotides) = 36 nucleotides.

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3 years ago
An allergic reaction to certain types of natural, unprocessed foods, such as peanuts, is caused by
siniylev [52]
If you have an allergic reaction, it means your body cannot handle what you give to it. Say flowers (common) make you sneeze and itch, (like my sister) it is because there's something inside whatever makes you allergic is not good for your body, or your body is not used to it. Can I get a thank you and a rating?

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5 0
3 years ago
Someone with one recessive and one dominant gene is called what?
inn [45]
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4 0
3 years ago
All cells are surrounded by a membrane.
gayaneshka [121]

Answer:

it's semipermeable

Explanation:

7 0
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-why is respiration important for a cell?
Grace [21]
Respiration is how animal cells get their energy to preform their necessary functions. Plant cells don't use respiration, because they use photosynthesis. Photosynthesis turns light into energy.

Tid-bit of info:
Cellular Respiration Formula:
Sugar + Oxygen = Carbon Dioxide + Water <span>+ ATP </span>
C₆H₁₂O₆ + O₂ = CO₂ + H₂O <span>+ ATP </span>
Photosynthesis Formula: 
Sunlight + Water + Carbon Dioxide = Oxygen + Sugar
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6 0
4 years ago
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