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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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What does the Comprehensive Environmental Response, Compensation, and Liability Act (Superfund) do?
djverab [1.8K]

Answer:

Option C, It mandates the clean-up of abandoned hazardous waste sites.

Explanation:

A superfund was a programme launched by federal government in America to   clean up hazardous and abandoned waste sites. The different sites that are managed under this programme are called as superfund scheme. It is also known as "Comprehensive Environmental Response, Compensation, and Liability Act, 1980"

Based on the hazardous ranking evaluated by the EIA team, CERCLA status of the site is determined . The site with highest score was dealt on priority basis.

Hence, option C is correct.

5 0
3 years ago
Read 2 more answers
The dorsal root of a spinal nerve contains
vesna_86 [32]
The spinal ganglia or dorsal root ganglia contain the cell bodies of sensory neurons entering the cord at that region. nerve - a group of fibers (axons) outside the CNS. The spinal nerves contain the fibers of the sensory and motor neurons.

Hope this helps!:)
8 0
3 years ago
Describe the feature of cell mbrane​
ahrayia [7]

Answer:

The cell membrane or plasma membrane is a biological and thin semi-permeable membrane that surrounds the cytoplasm of a cell

Explanation:

8 0
3 years ago
If water molecules inside and outside of a cell became non polar , how would the transport of materials in and out of the cell b
postnew [5]
<h2>Answer:</h2>

The water will move in and out freely. The material transport which is due to the water transport will be affected.

<h3>Explanation:</h3>
  • Water is a partially polar molecules. Many ionic compounds and ions travel inside and outside the cell due to attachment with water molecule.
  • As well as water movement is controlled due to its polar nature through cell membrane. and the cytoplasm and outer environment is separate due to non polar cell membrane.
  • If the water become non polar then the movement through cell membrane will be easy for water. And the molecules dissolved in water will also be transported uncontrollably.

4 0
3 years ago
What is the different Chief of the PNP and chief of the Police​
aleksandrvk [35]

Answer:

The Chief of the Philippine National Police (C, PNP) (Filipino: Hepe ng Pambansang Pulisya ng Pilipinas[2]) is the head of the Philippines' national police body, the Philippine National Police (PNP). The position is invariably held by a Police General, a four star general police officer.

The PNP chief is also an ex officio member of the National Police Commission as a commissioner

Explanation:

5 0
2 years ago
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