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yanalaym [24]
2 years ago
8

Formulez des hypothèses sur le mode de contamination d'un individu et citez au moins deux conseils pour prévenir la contaminatio

n par le virus du rhume
Biology
1 answer:
kotykmax [81]2 years ago
4 0

Answer:

me no speak espanol

Explanation:

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In a membrane, the________of the phospholipids in one monolayer face the________of the phospholipids in the other monolayer.
matrenka [14]

In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.

<h3>What is cell membrane?</h3>
  • The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment.
  • It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space).
  • The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain  proper membrane fluidity  at different temperatures.
  • Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the  outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment.
  • The integrated glycolipids of the outer lipid layer perform a similar function.

To learn more about the membrane, refer to the following link:

brainly.com/question/1768729

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3 0
1 year ago
A protein isolated from a thermophilic bacterium shows a molecular weight of 160 kD when eluted from a size-exclusion chromatogr
Amiraneli [1.4K]

Answer:

as a dimer consisting of two identical monomers (80 kDa subunits) that are packed together via hydrophobic interactions

Explanation:

SDS-PAGE (sodium dodecyl sulphate–polyacrylamide gel electrophoresis), is an electrophoretic methodology used to separate proteins that have a molecular weight between 5 to 250 kDa. SDS is a well-known ionic detergent that is able to break hydrophobic interactions and hydrogen bonds. Moreover, size-exclusion chromatography is a filtration technique that separates molecules in solution according to their molecular size. In this case, SDS-PAGE showed that the target protein is composed of two identical subunits (monomers) of 80 kDa each, which were separated by the detergent and formed one single band in the SDS-PAGE gel.

4 0
3 years ago
1. Which factor is abiotic?<br> A. soil<br> B. plants<br> C. insects
finlep [7]

Answer:

The answer is A. Soil

Explanation:

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8 0
3 years ago
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Use the diagram to answer the following questions:
Svet_ta [14]

The DNA is splitting in two, thymine pairs with adenine, and guanine pairs with cytosine

7 0
3 years ago
PLEASE HELP: Why is a haploid cell necessary?
ss7ja [257]
Because they are genetically diverse cells that are used in sexual reproduction
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3 years ago
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