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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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Match each term with the correct definition.
Julli [10]

Answer:

superconductor - noun: superconductor; plural noun: superconductors  a substance capable of becoming superconducting at sufficiently low temperatures.  a substance in the superconducting state.  "as they are cooled through a critical temperature, they suddenly become superconductors"

insulator- noun: insulator; plural noun: insulators

a substance which does not readily allow the passage of heat or sound.  "cotton is a poor insulator"  a substance or device which does not readily conduct electricity.  a block of material, typically glass or ceramic, enclosing a wire carrying an electric current where it crosses a support.

conductor- noun: conductor; plural noun: conductors  1.  a person who directs the performance of an orchestra or choir.  "he was appointed principal conductor of the Berlin Philharmonic Orchestra"  2.  BRITISH  a person in charge of a train, streetcar, or other public conveyance, who collects fares and sells tickets.  3.  PHYSICS  a material or device that conducts or transmits heat, electricity, or sound, especially when regarded in terms of its capacity to do this.  "graphite is a reasonably good conductor of electricity"  another term for lightning rod.

semiconductor- noun: semiconductor; plural noun: semiconductors  a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects. Devices made of semiconductors, notably silicon, are essential components of most electronic circuits.

These are the definitions off of google. Bye :)

6 0
3 years ago
Where does meiosis occur? *
AleksandrR [38]

Answer:

Meiosis occurs in reproductive cells, as the goal is to create haploid gametes that will be used in fertilization

3 0
2 years ago
Meiosis takes place in the ______ of most organisms.<br> -Gonads<br> -Heart<br> -Brain <br> -Skin
Elan Coil [88]
Meiosis takes place in the gonads of most organisms. 

So the correct answer is A : Gonads.

Hope this helps :)
~Davinia.
7 0
3 years ago
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Mashcka [7]

Answer:

Yes, future exploration to the poles important for humans.

Explanation:

This is important we need to know more about what is going on in the poles. Reason one is because we have no clue what could be living there and how it is living There in the cold places it. Second That could also help with global warming and I say this because some testing could be done to see what we could do to stop it or at least slow it down. Last but not least they can also find new animals just like how there is more animal or fishes the live in the sea. This would help us learn what is beyond what we look for. In conclusion, there is more to learn at the poles and every where else.

7 0
2 years ago
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<span> B. lichens and mosses, fir and birch, small herbs and shrubs, pine and spruce</span>
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3 years ago
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