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Effectus [21]
3 years ago
7

Proteins in a membrane are __________.

Biology
2 answers:
jarptica [38.1K]3 years ago
7 0

Answer:

Proteins in a membrane are C. Both answer choice is true.

Explanation:

Membranes have different types of proteins. <em>Peripheral proteins are the ones that are placed on the inside suface held in place by the cytoskeleton. Integral proteins are the ones that are embedded in the membrane and protrude from either surfaces of the bilayer. </em>These integral proteins also can be carrier proteins, which facilitate passage of molecules through the membrane ; enzymatic proteins, whichcatalyze a specific reaction  or they can recognize pathogens, baing cell recognition proteins. In the membrane we can find aquaporins too, which are membrane channel proteins that enable water to cross a membrane.

AysviL [449]3 years ago
5 0

Answer:

c. Both answer choices are true.

Explanation:

Peripheral proteins and integral proteins are a type of membrane proteins that play a vital role in signal transduction, enzyme activity, cell adhesion and transportation of molecules.

Peripheral proteins are attached to the lipid bilayer temporarily at either one side of the lipid bilayer and can be easily dissociated from the lipid bilayer when treated with polar solution. It plays an important role in transportation,  maintaining the shape of the cell as well as signal transduction.

Integral proteins span the two sides of the lipid bilayer and are attached to it permanently, it can only be detached by the treatment with non polar solutions. It plays an important role in cell adhesion and transportation.

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protiens

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3 years ago
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TRUE or FALSE?
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2 years ago
What is the concentration of a suspension that grew 89 colonies on a plate with a dilution of 1:100?
mafiozo [28]

Answer:

8900 CFU/mL

Explanation:

Colony Forming Units (CFU) is a value that indicates the degree of microbiological contamination of an environment. It expresses the relative number of microorganisms of a given taxon in a volume of one cubic meter of water.

UFC is the minimum number of separable cells on the surface, or inside, of a semi-solid agar medium that results in the development of a visible colony of the order of tens of millions of descending cells. The CFUs can be pairs, chains or clusters, as well as individual cells. Colony forming unit.

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Colonies * Dilution = CFU/mL

89          *  (100/ 1 mL) = CFU/mL

8900 CFU/mL

3 0
3 years ago
Which increases the rate of speciation?
Blababa [14]

Answer:

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Explanation:

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4 0
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You have been asked to participate in the cleanup of an old mining site. You build a treatment wetland to clean up a contaminate
ycow [4]

Answer:

b) Bioremediation

Explanation:

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  • The natural degradation process of pollutants is improved by bioremediation.
  • Green plant, Decomposers and their enzymes are used in bioremediation to imrprove the condition of the environment.

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