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Bogdan [553]
2 years ago
15

Carl woese distinguished between the members of the archaea and the bacteria using studies of their ________.

Biology
1 answer:
Lena [83]2 years ago
7 0

Carl Woese distinguished between the members of the archaea and the bacteria using studies of their ribosomal RNA.

What is ribosomal RNA?

Ribosomal RNA (rRNA), a particle in cells that are sent out to the cytoplasm and is a part of the protein-creating organelle known as a ribosome, supports the change of courier RNA (mRNA) into protein. Moreover, ribosomal ribonucleic corrosive is a type of non-coding RNA that fills in as the primary structure block of ribosomes, which are essential for all cells. Protein combination is done by rRNA, a ribozyme, in ribosomes. In spite of never being converted into proteins, it makes up around 80% of cell RNA.

To learn more about ribosomal RNA, visit:

brainly.com/question/11907492

#SPJ4

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What is the valve that controls the entrance to the stomach and prevents backflow to the esophagus?
xenn [34]

Answer:

Lower esophageal sphincter

Explanation:

The biological valves are the muscular structures composed of the smooth muscles which form thick tubular structure to allow the controlled movement of any material through it. The valves in the digestive system are known as the sphincters.

The sphincters control the unidirectional movement of the eaten food, chyme and the bolus in the digestive tract.

A sphincter is present at the lower portion of the oesophagus (food pipe) which contracts to prevent the backflow of the food from the stomach and since the sphincter is present at the lower side of the oesophagus, therefore, is known as the lower esophagal sphincter.

Thus, Lower esophageal sphincter is correct.

6 0
3 years ago
Identify the landmarks on the skull front and back that should be covered by a helmet? posterior head? how far above the eyebrow
NemiM [27]

Protection for the head is needed in cases of direct collision sports like hockey and football. Collisions with another player or the turf may result in a concussion, thus all the helmets must possess NOCSAE certifications.  

The helmet should fit comfortably around all the segments of the player's head, there should be no gaps between the head and pads. It should cover the base of the skull, the pads positioned at the back of the neck should be comfortable, and at the same time should not be uncomfortable.  

The helmet should not come down over the eyes, the front edge of the helmet should be 3/4 inch or of two finger widths above the eyebrows.


6 0
3 years ago
What is most likely a limiting factor for a house plant?
Andre45 [30]

Answer:

sunlight

Explanation:

plants need sunlight to survive and therefore when it is indoit's it doesn't receive sunlight

7 0
3 years ago
Read 2 more answers
What are the genotypic differences between F-, F+ and Hfr cells?
Kitty [74]

Answer:

The fertility factor or the F factor signifies a plasmid in some bacteria, which allows the conduction of genetic substance from a donor cell to the recipient by the process of conjugation, leading to recombination.  

The genotypic difference between the F- cells, F+ cells, and the Hfr cells are that the F- cells are devoid of the F factor, the F+ cells possess autonomous F factor, that is, a segment of DNA, which can replicate autonomously in the cell. In case of Hfr, the F factor is integrated into its chromosomal DNA, thus, they carry an integrated F factor.  

5 0
3 years ago
This is a question that seems odd for this site but, i'm doing a school paper on student rights and such.
vladimir2022 [97]
He should be able to smoke because 1. he was off campus and 2. he's 18 which is a legal adult 3. there's no policy stating he can't do such
6 0
3 years ago
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