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Artemon [7]
3 years ago
11

Which type of cell division only occurs in organisms whose cells contain chromosomes? A. Duplication B. Meiosis C. Mitosis D. Re

plication
Biology
2 answers:
Over [174]3 years ago
8 0
C. mitosis 
have a nice day;)
Oxana [17]3 years ago
4 0
Mitosis, it only occurs in organisms whose cells contains chromosomes.
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Alborosie

Answer:

][POUREWQFTYUIOLKJHRERTYUIKJHGRYUI

Explanation:

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3 years ago
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tigry1 [53]
To provide energy to the body.
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4 years ago
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A geneticist isolates a gene for a specific trait under study She also isolates the corresponding mRNA Upon comparison, the mRNA
olga nikolaevna [1]

Answer:

C) no, the final mRNA contains only exons, the introns were removed

Explanation:

Exons are the coding areas while the introns are non-coding areas. Both of these are the sequences of nucleotide within a gene.

RNA splicing is a process which usually occurs as the RNA matures, causing the removal of introns ( non coding areas of the RNA ) i-e they will not be expressed in the final messenger RNA, while exons continue to form covalent bonds with one another to form a  mature mRNA.

So in the given scenario, Upon comparison, the mRNA is found to contain 1,000 fewer bases than the DNA sequence because the introns were removed by RNA splicing.

Hence option C) no, the final mRNA contains only exons, the introns were removed is correct.

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3 years ago
What process forms egg cells
Gala2k [10]

Explanation:

meiosis is a type of cell division that creates egg and sperm cells meiosis is a fundamental process for life during mitosis a cell duplicates all of the contents cleaning its chromosomes and splits to form two identical daughter cells

4 0
3 years ago
earth’s inner core is solid because of _____. a. its great diameter b. immense pressure c. the composition of its rock d. extrem
oksian1 [2.3K]
B, immense pressure causes the core to be very compacted and solid.
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