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Blizzard [7]
3 years ago
5

Within a double-stranded dna molecule adenine , forms hydrogen bonds with thymine and citizens forms hydrogen bonds with guanine

what is the significance of the structural arrangement
Biology
1 answer:
Alika [10]3 years ago
3 0
These base pairs (adenine with thymine and cytosine with guanine) are significant because the rule allows a corresponding strand of DNA to be replicated. (New strand can be created with the template)
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Cell biologists studying the mobility of plasma membrane proteins fused mouse and human cells together, creating a heterokaryon.
m_a_m_a [10]

Answer: Fluorescence microscopy

Explanation:

A protein is substance that is the essential constituent of living cells because it forms part of its structure. T<u>hey are also found in plasma membrane</u>, where they assist substances to cross the membrane.  Proteins can be:

  • <u>Integral</u>: permanently attached within the plasma membrane.
  • <u>Transmembrane</u>: it spans the entirety of the cell membrane.
  • <u>Peripheral</u>: are only temporarily associated to the membrane.

Some integral proteins can act as cellular receptors. Other proteins are responsible for cell adhesion (binding of a cell to another cell or to a surface). On the outside of the cell membranes, attached to other proteins, are the carbohydrate chains that act as labels identifying the type of cell.

<u>A heterokaryon is a multinucleate cell and in this experiment the scientists fuse a human cell and a mouse cell, each of them will have their own proteins.</u> At first, the human and mouse proteins where found in separated halves of this heterokaryon. But <u>after a while, those proteins where mixed and could no longer be identified</u>.

A fluorescent chemical called a fluorophore is able to be absorb light of specific wavelengths and then emit light of longer wavelengths. The proteins can be modified and marked with different colored fluorophores to detect them, even if they are mixed in the heterokaryon. <u>Then, they can be seen with a Fluorescence microscopy, to identify them through different colors</u>.  

3 0
3 years ago
A nurse suffered a needlestick injury after administering a subcutaneous medication to a patient. the subsequent investigation r
USPshnik [31]
<span>First, the investigation team should reach out to the maker of this product, in this case the needle and syringe. After that, if the two parties don't come to an agreement, they may have to settle it in court, since the product designer was responsible for this injury.</span>
3 0
4 years ago
How do tree rings and ice cores help scientists understand how earth has changed over time
Alex787 [66]
The study of tree rings is called dendrochronology. Trees produce a single growth ring each year and by studying the size and composition of each ring scientists can get information about the age of the tree, available nutrients in the area, and general climatic conditions. A relatively small ring may indicate a year when there was very little rainfall and a larger ring indicates favourable conditions for plant growth. 

Ice cores hold information on past global volcanic activity and past atmospheric conditions. Tiny bubbles in the ice cores give information on the concentration of gases in the atmosphere. Ice core data plays a key role in linking the increase in carbon dioxide concentrations to present day global warming.
6 0
4 years ago
Who studied the role of RNA in protein synthesis, specifically in the bacteria E. coli.?
Ymorist [56]
It was the famous Theodor Escherich who is a famous German bacteriologist that discovered the E. coli and was also known for his research in the area of protein synthesis. In addition to that, Theodor Escherich discovered the bacteria type when he examined its samples from a patient suffering from gastroenteritis.
8 0
4 years ago
What are the complementary RNA strands for this:<br> TAGAGTC
Hitman42 [59]

Answer:

AUCUCAG

Explanation:

T --> A

A --> U (only with rna, when its not rna its T)

C--> G (vice versa)

6 0
3 years ago
Read 2 more answers
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