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elena-s [515]
3 years ago
15

. (10 pt) Is this statement true or false? Sea stars are able to regenerate their bodies when they are damaged. A. True B. False

Biology
2 answers:
ikadub [295]3 years ago
6 0
The statement is true I learned that in pre schoollol
Vera_Pavlovna [14]3 years ago
3 0
Yes the answer is true
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What is the energy requirement in kJ/mol to transport a proton across the mitochondrial inner membrane in plant cells at night w
lions [1.4K]

Answer:

C. +23.1 kJ/mol

Explanation:

the formula to use to calculate the energy requirement in kJ/mol to transport a proton across the mitochondrial inner membrane in plant cells is:

ΔGt = RTIn  \frac{C_{2} }{C_1}   + ZFΔV

let's list the values of the data we are being given in the question to make it easier when solving it.

Z= 1

F= 96500C (faraday's constant)

ΔV= 160mV = 0.160V

R= 8.314( constant)

T= 15ºC ( converting our degree Celsius into kelvin, we will have 273.15k+ 15 = 288.15K)

∴ T= 288.15K

Putting it all together in the formula, we have:

ΔGt = 8.314 × 288.15 × 2.303 log \frac{C_{2} }{C_1}  + 1  × 96500 × 0.160

ΔGt = 5517.25   [ -(log(H^{+}_{out} ) + log(H^{+}_{in} )_{in}  +15440

ΔGt  = 5517.25 (pH_{out} - pH_{in}  +15440

Given that the pH  differential gradient  across the membrane is 1.4pH units. It implies that;

ΔGt  = 5517.25 × 1.4 + 15440

=  7724.15 +15440

= 23164.15 Joules/moles

= +23.1 KJ/mole

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3 years ago
Write two functions of kidney.<br>​
exis [7]

Answer:

remove waste products from the body. remove drugs from the body. balance the body's fluids. release hormones that regulate blood pressure.

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4. Providing examples, explain how sexual reproduction in PLANTS HAS EVOLVED TO BECOME LESS DEPENDENT ON WATER.
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Helpp I’ll give brainly
marishachu [46]
The answer is d because i had the same problem yesterday in biology
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Endocrine cells make hormones to send messages from one cell to another. Some of the messages they send are certain types of pro
lubasha [3.4K]

Answer:

The Golgi apparatus is especially developed in cells that have functions related to the secretion of substances, such as cells of the nervous or endocrine system.

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The Golgi apparatus is the organelle responsible for most of the modifications that lipids and proteins undergo once their synthesis in the endoplasmic reticulum (ER) has been completed, that is, the Golgi apparatus is a cellular organ whose function is to manage the proteins synthesized by the endoplasmic reticulum in order to transform and export them to the rest of the body. It is made up of flattened cisterns (middle zone) with an entrance zone or face and an exit zone. The proteins enter the Golgi apparatus and are later transported to these cisterns where they are modified by enzymes.

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