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zlopas [31]
3 years ago
15

Various insects have a marvelous capacity to protect themselves by _________ the appearance of twigs and other objects in their

environment
Biology
1 answer:
jok3333 [9.3K]3 years ago
8 0
<span>Various insects have a marvelous capacity to protect themselves by simulating the appearance of twigs and other objects in their environment.

we know how to protect ourselves in this environment and we have the ability and capacity to do this. like us various insects also have capacity to protect themselves. There are also some other species who have capacity to protect themselves but everyone have their own way and method to do so.</span>
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When a singly ionized potassium ion moves through a channel in the membrane passing from the outside to the inside, what is the
Korolek [52]

The magnitude of the work done by the electric field of the membrane is <u>W = 1.28 × 10⁻²⁰ Joules</u>.

We start with the necessity to take into account a value for the voltage present there in order to solve this problem by first considering that the membranes have two layers, one internal and one external, each responsible for producing a potential difference between the two levels.

As a result, in order to find a solution, it is necessary to take into account the potential difference between the two surfaces. In this instance, we'll assume a particular value for the load, but the recipient is free to substitute a different value if they prefer.

The product of the potential difference and the charge is used to define the work that an electric field performs. The charge of the potassium ion will be equal to that of its electron, so,

q = 1.6 × 10⁻¹⁹ Coulombs

Then the Work would be:

W = Vq

Here,

v = Potential difference

q = Charge

The 80mV potential difference we will have is quantified as follows:

W = (80mV (1V/1000mV))( 1.6 × 10⁻¹⁹ C)

W = 1.28 × 10⁻²⁰ Joules is the amount of work that the membrane's electric field has produced.

Find more on work done at : brainly.com/question/25573309

#SPJ4

5 0
11 months ago
Certain exposures to radiation can cause cancer. What is the main difference between the use of radiation treatments to treat ca
jonny [76]

the radiations that are used to treat cancers are of the gamma type. primarily emitted from cobalt-60 (a radioactive isotope).  and it is more controlled than other radiation exposures. i.e. solar radiation which is not controlled.

hope that this helps.

4 0
3 years ago
A germ cell of an organism has 60 chromosomes in it. It undergoes meiosis, and at the end it produces four daughter cells. What
konstantin123 [22]

Explanation:

the answer is c.= because meiosis is the reproduction of a germ cell with 60 chromosomes. involves splitting 60 chromosomes in half, so each cell will have 30 chromosomes in each cell..

6 0
3 years ago
Before the forming urine flows into the distal tubule of the nephron, it is in the _____ ______ _____, where water is absorbed a
liraira [26]

Answer:

<em>"Before the forming urine flows into the distal tubule of the nephron, it is in the </em><em>loop of Henle</em><em>, where water is absorbed as the fluid descends into the deep medulla of the kidney, and salts are absorbed as the fluid flows back up to the cortex of the kidney".</em>

Explanation:

Henle´s loop is a specific section of renal tubules that forms the nephrons.

In this U-shaped region, the two parts of the contorted tubule, the distal and the proximal part, are very close to each other. In the kidney, both parts of the tubules are located in the renal cortex, while the loop of Henle is located within the renal medulla.

The proximal region of the Henle´s loop is a permeable region, unlike the proximal and distal regions of the renal tubule.  

This is why it is possible the interchange of water and ions in the Henle´s loop. In the loop´s walls, cells present aquaporines in their membranes that allow passive water absorption, while they do not allow the transport of ions and urea. In this way 25% of the water that passes through the kidney might be filtered.  

The ascendant side of the loop, which is narrower, the tubule wall is impermeable to water but allows the ions´reabsorption. Here, cells present sodium, potassium, and chloride channels.

Potassium sodium pump transporters are found in the basolateral zone. While in the apical area are active transporters of the 3 ions.

Due to these differences in the water and ions´absorption between the two parts of the Henle´s loop, a countercurrent multiplier effect is produced, stratifying the osmotic compounds of the medullary interstitium, being the part closest to the cortex less concentrated than the part closest to the renal papilla, which is about 4 times more concentrated in ions.

7 0
3 years ago
Which organ is responsible for the secretion of bile?
n200080 [17]
C: Liver.  It's secreted by the liver and stored in the gall bladder
3 0
3 years ago
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