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Vladimir79 [104]
3 years ago
6

Which of these statements describes what occurs in facilitated diffusion?-Facilitated diffusion requires energy from the cell to

drive a concentration gradient.-Facilitated diffusion of solutes occurs through protein pores in the membrane.-Facilitated diffusion of solutes occurs through phospholipid pores in the membrane.-Facilitated diffusion is another name for osmosis.
Physics
1 answer:
Softa [21]3 years ago
6 0

Answer:

Facilitated diffusion of solutes occurs through protein pores in the membrane.

Explanation:

Facilitated diffusion: It is known as a type a passive transport which diffuses the solutes through specific trans membrane integral proteins in the plasma membrane. Transport proteins helps in diffuse some ions, and molecules across the plasma membrane.

There are three types of transport proteins which are involved in this diffusion:

1) gated channel proteins.

2) carrier proteins.

3) channel proteins.

Some example of facilitated diffusion are: glucose transporter, ion channels, and aquaporins.

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In a large restaurant an average 60% customers ask for water with their meal. A random sample of 10 customers is selected. Find
Gekata [30.6K]

Answer:

a)P(6)=0.25

b)p(x

c)p(x\geq3)=0.9878

d)\sigma=\sqrt{2.4}=1.5492

Explanation:

From the question we are told that:

Population percentage p_\%=\60%

Sample size n=10

Let x =customers ask for water

Let y =customers dose not ask for water with their meal  

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y=1-p_\%\\y=1-0.60\\y=0.40

Generally the equation for pmf p(x) is mathematically given by

P(x)=10C_x (0..6)^x(0.4)^{10-x}

a)

Generally the probability that exactly 6 ask for water is mathematically given by

P(x)6=10C_6 (0..6)^6(0.4)^{10-6}

P(6)=0.25

b)

Generally the probability that  less than 9 ask for water with meal  is mathematically given by

p(xg)

p(x

p(x

p(x

c)

Generally the probability that  at least 3 ask for water with meal  is mathematically given by

p(x\geq3)=1-p(x

p(x\geq3)=1-[p(0)+p(1)+p(2)]

p(x\geq3)=1-[0.00001+0.0015+0.0106]

p(x\geq3)=1-[0.0122]

p(x\geq3)=0.9878

d)

Generally the mean and standard deviation of sample size is mathematically given by

Mean

\=x=np=10(0.6)=6

Standard deviation

v(x)=npq=10(0.6)(0.4)=2.4

\sigma=\sqrt{2.4}=1.5492

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Answer:

1 Proton, 1 Electron, No Neutrons

Group 1, Period 1

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