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3 years ago

The movement of protons through atp synthase occurs from the

Physics

1 answer:

Lera25 [3.4K]3 years ago

5 0

Answer:

cytoplasm and channel gates

Explanation:

The movement originates from the cytoplasm. This is the fluid medium through which ions are shuttle from one place to another. However, though simple as it might appear to be, the movement requires carrier proteins. The are proteins that facilitate in the movement of the ions. These proteins have specially controlled gates called channel proteins. These are regulated proteins that open and close based on hydrogen ion concentration. These proteins are able to facilitate the movement of ATP molecules.

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hat are the wavelengths of peak intensity and the corresponding spectral regions for radiating objects at (a) normal human body

bagirrra123 [75]

Answer:

(a)

$\lambda _{m}=9.332 \times 10^{-6}m$

(b)

$\lambda _{m}=1.632 \times 10^{-6}m$

Explanation:

According to the Wein's displacement law

$\lambda _{m}\times T = b$

Where, T be the absolute temperature and b is the Wein's displacement constant.

b = 2.898 x 10^-3 m-K

(a) T = 37°C = 37 + 273 = 310 K

$\lambda _{m}=\frac{b}{T}$

$\lambda _{m}=\frac{2.893\times 10^{-3}}{310}$

$\lambda _{m}=9.332 \times 10^{-6}m$

(b) T = 1500°C = 1500 + 273 = 1773 K

$\lambda _{m}=\frac{b}{T}$

$\lambda _{m}=\frac{2.893\times 10^{-3}}{1773}$

$\lambda _{m}=1.632 \times 10^{-6}m$

$\lambda _{m}=\frac{b}{T}$

$\lambda _{m}=\frac{2.893\times 10^{-3}}{5800}$

$\lambda _{m}=4.988 \times 10^{-7}m$

5 0

3 years ago

A small car and an SUV are at a stoplight. The car has amass equal to half that of the SUV, and the SUV's engine canproduce a ma

Hatshy [7]

Answer:a) It is a tie

Explanation:

Given

mass of car is half of SUV

if mass of SUV is 2m so the mass of car is m

SUV can produce twice the force of car i.e. 2 F

so acceleration experienced by SUV

$a_{SUV}=\frac{2F}{2m}$

$a_{SUV}=\frac{F}{m}$

acceleration of Car

$a_{car}=\frac{F}{m}$

both start with zero initial velocity therefore after few second they will be having same velocity and share same position.

5 0

3 years ago

A 12.0-kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0° below the horizontal. The coeffici

zvonat [6]

Answer

given,

mass of the package = 12 kg

slides down distance = 2 m

angle of inclination = 53.0°

coefficient of kinetic friction = 0.4

a) work done on the package by friction is

W_f = -μk R d

= -μk (mg cos 53°)(2.0)

=-(0.4)(8.0 )(9.8)(cos 53°)(2.0)

= -37.75 J

work done on the package by gravity is

W_g = m (g sin 53°) d

= (8.0 )(9.8 )(sin 53°)(2.0 )

=125.23 J

the work done on the package by the normal force is

W_n = 0

the net work done on the package is

W = -37.75 + 125.23 + 0

W = 87.84 J

7 0

3 years ago

Recall that if the colliding objects have hard surfaces , the collision is elastic

fgiga [73]

yes it is elastic

Explanation:

thank you

5 0

2 years ago

الاضطراب العصبي يحدث بسبب ؟<br><br>

tekilochka [14]

Explanation:

ا: قد يكون وراء هذه الظاهرة ميول وراثية، والتي تتسبب في صدور ردود فعل غير منتظمة في أماكن مختلفة معينة في الدماغ. تكون ردود الفعل هذه مسؤولة عن ظهور العلامات التي تميز العلامات المرافقة التي تظهر عند المرور في ظروف القلق.

ب: ان الفرضية السائدة والأساسية هنا، تقضي بأن العُصاب يظهر كردة فعلِ لفشل المنظومة النفسية الداخلية، في التأقلم مع القلق النابع من معاناة نفسية كبيرة. أو قد تنجم عن فشل المنظومة النفسية الداخلية في التأقلم مع الظروف الرضحية (التراجيدية) الخارجية والمحيطة.

ج:قد تظهر اضطرابات العُصابية من مزج بين تأثير التجارب الرضحية عند الطفولة، مع أسلوب الحياة المعاصر، والذي يتميز بوجود الإجهاد النفسي وبضعف الثقة بالمقومات الشخصية، الاجتماعية والاقتصادية

8 0

3 years ago