Where is deoxyribose found?

deoxyribose, also called d-2-deoxyribose, five-carbon sugar component of DNA (q.v.; deoxyribonucleic acid), where it alternates with phosphate groups to form the “backbone” of the DNA polymer and binds to nitrogenous bases.

1. Is deoxyribose found in RNA?
2. Is deoxyribose found in a DNA molecule?
3. Where does the transcription take place?
4. How is deoxyribose derived from ribose?
5. What are the two pyrimidines found in DNA?
6. Why does DNA use deoxyribose?
7. Where Is DNA Found?
8. Where are introns found?
9. Where do you find the Anticodon?
10. Where does transcription and translation take place?
11. Where is the deoxyribose sugar in DNA?
12. How does deoxyribose in DNA differ from ribose in RNA?
13. What two functional groups exist in deoxyribose?
14. Which choice is a pyrimidine found in DNA?
15. Is pyrimidine an amino acid?
16. Which of these is are pyrimidines?

Is deoxyribose found in RNA?

Nucleic Acid Synthesis/Breakdown

DNA contains deoxyribose as the sugar component and RNA contains the sugar ribose. Polynucleotides are formed by covalent linkages between the phosphate of one nucleotide and the sugar of another, resulting in phosphodiester linkages.

Is deoxyribose found in a DNA molecule?

The DNA molecule is a polymer of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.

Where does the transcription take place?

Transcription takes place in the nucleus. It uses DNA as a template to make an RNA molecule. RNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs. Translation reads the genetic code in mRNA and makes a protein.

How is deoxyribose derived from ribose?

Deoxyribose is generated from ribose 5-phosphate by enzymes called ribonucleotide reductases. These enzymes catalyse the deoxygenation process.

What are the two pyrimidines found in DNA?

Nitrogenous bases present in the DNA can be grouped into two categories: purines (Adenine (A) and Guanine (G)), and pyrimidine (Cytosine (C) and Thymine (T)).

Why does DNA use deoxyribose?

Due to its deoxyribose sugar, which contains one less oxygen-containing hydroxyl group, DNA is a more stable molecule than RNA, which is useful for a molecule which has the task of keeping genetic information safe. RNA, containing a ribose sugar, is more reactive than DNA and is not stable in alkaline conditions.

Where Is DNA Found?

Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA). Mitochondria are structures within cells that convert the energy from food into a form that cells can use.

Where are introns found?

Introns are found in the genes of most organisms and many viruses and can be located in a wide range of genes, including those that generate proteins, ribosomal RNA (rRNA) and transfer RNA (tRNA).

Where do you find the Anticodon?

An anticodon is found at one end of a transfer RNA (tRNA) molecule. During protein synthesis, each time an amino acid is added to the growing protein, a tRNA forms base pairs with its complementary sequence on the mRNA molecule, ensuring that the appropriate amino acid is inserted into the protein.

Where does transcription and translation take place?

Transcription occurs in the nucleus in eukaryotic organisms, while translation occurs in the cytoplasm and endoplasmic reticulum. Both processes occur in the cytoplasm in prokaryotes. The factor controlling these processes is RNA polymerase in transcription and ribosomes in translation.

Where is the deoxyribose sugar in DNA?

The sugars in the backbone

The backbone of DNA is based on a repeated pattern of a sugar group and a phosphate group. The full name of DNA, deoxyribonucleic acid, gives you the name of the sugar present - deoxyribose.

How does deoxyribose in DNA differ from ribose in RNA?

DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. The only difference between ribose and deoxyribose is that ribose has one more -OH group than deoxyribose, which has -H attached to the second (2') carbon in the ring. DNA is a double-stranded molecule, while RNA is a single-stranded molecule.

What two functional groups exist in deoxyribose?

Deoxyribose is an aldopentose, meaning that it is a monosaccharide which contains five carbon atoms, and also contains an aldehyde functional group in its linear structure. Essentially, the deoxy sugar is just a pentose sugar ribose, with the hydroxyl group at position 2 replaced with a hydrogen instead.

Which choice is a pyrimidine found in DNA?

The pyrimidines in DNA are cytosine and thymine; in RNA, they are cytosine and uracil.

Is pyrimidine an amino acid?

In contrast to purines, pyrimidines undergo ring cleavage and the usual end products of catabolism are beta-amino acids plus ammonia and carbon dioxide. Pyrimidines from nucleic acids or the energy pool are acted upon by nucleotidases and pyrimidine nucleoside phosphorylase to yield the free bases.

Which of these is are pyrimidines?

Adenine (A) and guanine (G) are purines, and cytosine (C), thymine (T), and uracil (U) are pyrimidines. These are the most important parts in the nucleic acid, and genetic information is stored in the sequence of these molecules.