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3 years ago

Need help i don't understand

Biology

2 answers:

hodyreva [135]3 years ago

7 0

It’s pretty much asking you to give an example on how body cells can die

Explanation:
A body cell can die in many different ways. For example when your vast catches a virus the cells start to attack the virus in order to creat antibodies towards the virus if those antibodies don’t work then the cells die. Another example could be when dry skin falls off those are skin cells they are dead so the cone off and new ones begin to grow. I hope this helps! A cell has many ways to die

zzz [600]3 years ago

3 0

Answer:

Cells can die because they are damaged, but most cells die by killing themselves. Some cell death processes leave no trace of the dead cell, whereas others activate the immune system with substances from the dead cell.

Explanation:

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Which mechanism helps prevent errors during DNA replication?

Dmitrij [34]

Each nucleotide only pairs with one nucleotide

6 0

3 years ago

Each row in the auditorium has 18 seats and 246 and teachers are going to watch an assembly in the auditorium how many rows of s

Romashka-Z-Leto [24]

Explanation:

We will divide the total number of the teachers (246) in the auditorium with the maximum number of seats per row (18) to determine how many rows are completely filled;

246/ 18 = 13.6667

We are only interested in rows that are completely filled which is the whole number;

= 13

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3 0

3 years ago

Amino acids come from which type of organic molecule?

ivanzaharov [21]

Answer:

QUESTION:

amino acids come from which type of organic molecule?

ANSWER:

<em><u>Proteins</u></em>

Proteins are polymers made up of nitrogen-containing monomers called amino acids. An amino acid is a molecule composed of an amino group and a carboxyl group, together with a variable side chain.

Explanation:

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5 0

3 years ago

Read 2 more answers

Within a species, a number of characteristics remain the same from one generation to the next. This is because ____________.

erik [133]

I think your answer would be D.

3 0

3 years ago

Which of the following lists steps of mRNA production in eukaryotes in the correct order?A) 5' cap addition, addition of poly-A

Assoli18 [71]

Answer:

The correct answer is B) Transcription, 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane.

Explanation:

The transcription process in eukaryotes takes place in the nucleus of the cell and after transcription post-transcriptional modification also takes place in the nucleus which is necessary to guide the mRNA out of the nucleus.

First, the process of transcription takes place in which DNA is transcribed to mRNA by an enzyme called RNA polymerase. After transcription post-transcriptional modifications takes place in the given order.

1. Capping: In capping process 7-methylguanosine is added by capping enzyme at 5' end of mRNA.

2. Polyadenylation: In polyadenylation, many poly-A residues are added at the 3' end of the mRNA called the poly-A tail.

3. Intron splicing: Introns are the non-coding sequence present in mRNA which are spliced out of mRNA and all exons are joined together.

After these post-transcriptional process, the mature mRNA is transported out of the nucleus through the nuclear membrane.

5 0

3 years ago