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4 years ago

13

which is not a form of light found on the electromagnetic spectrum? a) X-ray, b) gamma rays, c) am radio waves, d) alpha radiati

on

2 answers:

Elis [28]4 years ago

7 0

Alpha radiation because it’s just not part of the electromagnetic spectrum

sesenic [268]4 years ago

5 0

answer: D.Alpha radiation

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In ________, the sequence of bases in DNA determines the sequence of bases in mRNA, and the process occurs in the ________.

chubhunter [2.5K]

Answer: transcription, nucleus

Explanation:

In eukaryotic cell the process whereby the sequence of DNA bases is used to determine the sequence of bases in mRNA us called transcription and it occurs in the nucleus.

The DNA serves as the template strand. RNA polymerase binds to the promoter on the template DNA strand and synthesizes mRNA with RNA nucleotides. Genetic information of DNA is transcribed to messenger RNA. In eukaryotes this process occurs in the nucleus.

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3 years ago

Explain how to identify<br> a starting position on a line.

jolli1 [7]

Answer:

We can easily find out the beginning point of the line by using dot representation. When it comes to position vector, it expresses the exact position of certain object from the starting point of the coordinate system. The vector is a straight line that has a certain end which is fixed to its body.

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3 years ago

People with sickle cell anemia have one incorrect amino acid in their beta chain. The first seven amino acids in the beta chain

denis-greek [22]

Answer: Valine

Explanation:

hemoglobin A (normal) is HbA, while hemoglobin S (present in people with sickle cell anemia) is HbS

A sequence of 146 amino acids is present in the Hemoglobin.

The first 6 amino acids in HbA are: valine, histidine, leucine, threonine, proline, and glutamic acid.

The first six amino acids in HbS is:

valine, histidine, leucine, threonine, proline, and VALINE

In Hbs, the 6th amino acid (Glutamic acid) has already been mutated to Valine, a nonpolar, branched amino acid.

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4 years ago

How many chromosomes does a child inherit from his or her parents

pochemuha

Ans.

In humans, there are total of 46 chromosomes in each cell that show 23 pairs of chromosome. During reproduction, meiosis occurs in germ cells that leads to formation of daughter cells or gametes that contain half of the chromosomes as present in parent cells. Thus, each gamete (either male or female) contains 23 chromosome.

During fertilization, fusion of male gamete or sperm(with 23 chromosomes) and female gamete or ovum(with 23 chromosomes) to form zygote that develops into multi-cellular offspring with 46 chromosomes.

Thus, 'a child inherit 46 chromosomes from his or her parent (23 chromosomes from each parent).'

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3 years ago

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Quasars emit large amounts of

Andrews [41]

Quasars emit large amounts of radio energy.

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4 years ago

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