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Luden [163]
3 years ago
9

Which discovery is attributed to Phoebus Levene? A. extraction and observation of DNA B. identification of ribose and deoxyribos

e C. recognition of RNA as DNA’s messenger D. construction of an accurate DNA model
Biology
2 answers:
Softa [21]3 years ago
7 0
The identification of ribose and Deoxyribose was the discovery which attributed to Phoebus Levene.
Assoli18 [71]3 years ago
4 0

Answer:

The correct answer would be B. identification of ribose and deoxyribose.

Phoebus Aaron Theodore Levene is famous for his studies regarding the structure and function of nucleic acids.

He categorized different forms of nucleic acids which are DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).

He also found the components of DNA which are adenine, thymine, cytosine, guanine, deoxyribose, and a phosphate group.

He also identified deoxyribose and ribose sugars. In addition, he identified that the DNA deoxyribose and ribose

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8 0
3 years ago
Read 2 more answers
Name for the collection of dna in the nucleus of eukaryotes cells
Lilit [14]

DNA in the nucleus of eukaryotic cells is collected into  a chromatin.

A chromatin is a complex of nucleic acids (DNA or RNA) and proteins called histones which condense to form a chromosome  during cell division.

In eukaryotic cells, it is found within the cell nucleus while in prokaryotes, it is found inside the nucleoid .

 Its functions are;

1.  to package DNA into a smaller volume to fit in the cell.

2. strengthen the DNA to allow mitosis and meiosis.

3. acts as a mechanism to control expression

The chromatin is easily recognized through staining. Its name literally means "colored material."

3 0
3 years ago
Plant cells make their own food from the reaction between which two substances?
Kipish [7]
What are the two substances?
8 0
4 years ago
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Liza is an early-maturing girl who just reached menarche. She is very upset and is having a difficult time adjusting. Which of t
nadya68 [22]

Answer:

Liza was unprepared for menarche; her mother hadn't even told her about it yet.

Explanation:

The body of the teenagers undergoes through the different physical and physiological change. Both girls and boys becomes reproductively mature and has changed in the voice and development of special physical characters.

The girls starts shows menstruation. The start of the menstruation is known as menarche. The girls should give prior knowledge and support during this stage. In case of Liza, she was unprepared for the menarche and has no prior knowledge. The Liza's mother did not give her any knowledge.

Thus, the correct answer is option (a).

6 0
3 years ago
Question 24 of 25
Readme [11.4K]

Answer:

b

Explanation:

d

4 0
3 years ago
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