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Papessa [141]
3 years ago
13

Are all cells able to survive on their own?

Biology
1 answer:
vfiekz [6]3 years ago
6 0

Answer: No

Explanation: Cells survive in different ways, A cell from your brain could not survive in a Petri dish for very long. It doesn't have the right pieces to live on its own.

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What property of dna causes it to migrate tot he positive pole of the electrophoresis apparatus?
Contact [7]
The property of DNA which causes it to migrate to the positive pole of the electrophoresis apparatus is B. the negative charge of the DNA.
It acts just like a magnet - positive and negative forces attract.
4 0
3 years ago
Which of the following is (are) part of a systemic immune response?
viktelen [127]

Answer:

The answer is I ,II and III

5 0
2 years ago
The vitamin that poses the greatest risk for toxicity is:
Alexus [3.1K]
Retinol is the form of vitamin A that causes the greatest concern for toxicity.

Hope this helps!
6 0
3 years ago
A complete plant gene containing four introns and five exons is carried on a 6.0-kb DNA fragment. DNA sequencing analysis finds
damaskus [11]

Answer and Explanation:

the total length of the gene is 6,000 base pairs (or) 6.0 kb and it has five exons, four introns and a 1,000 base pair length flanking region for the transcribed region.

Hence, each exon has (1500/5) = 300 by

each intron has (3500/4) = 875 by and

flanking segment (5' and 3') length for the transcribed region would be (1000/2) = 500 bp.

The gene segment is as shown in the <em>1st diagram attached below </em>

In eukaryotes, transcription takes place in the nucleus which results in the synthesis of hnRNA (heteronuclear ribonucleic acid). This hnRNA (pre-RNA) has both introns and exons, however when it is synthesized or while it is being synthesized the Spliceosomal complex removes introns from hnRNA and becomes converted into mRNA (messenger RNA) in the nucleus itself.  

(<em>second diagram explains further)</em>

Now the synthesized mRNA reaches the cytoplasm. So, if mRNA collected from the nucleus and cytoplasm will have the same length of about 2,500 base pairs only. Therefore, after the commencement of northern blot analysis both mRNA will yield the same kind of result and have unique length.  

8 0
3 years ago
What is the term used to describe the energy of moving particles
Finger [1]

Answer:

Kinetic energy

Explanation:

Because the particles are moving, they have kinetic energy. The faster they move, the more kinetic energy they have. When an object is hot, the particles move faster.

8 0
2 years ago
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