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levacccp [35]
3 years ago
8

What is a major difference between facilitated diffusion and active transport?

Biology
1 answer:
mina [271]3 years ago
8 0

Active transport moves substances against the concentration gradient. is a major difference between facilitated diffusion and active transport

<u>Explanation:</u>

One of the comparisons is that both facilitated diffusion and active transport utilize proteins as their medians of moving their materials to and from the cell.  Another relationship is the primary purpose of both facilitated diffusion and active transport is to drive material over the cell membrane.

One of the variations is that active transport demands energy, while facilitated diffusion does not require energy. The energy that active transport uses is ATP. The Major difference is that facilitated diffusion enables substances to accompany the concentration gradient either way, while active transport only has substances go one way, against their concentration gradient.

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11. By what process do streams and rivers move material?
Sunny_sXe [5.5K]

Answer:

Erosion

Explanation:

Weathering is the travel from wind that leads to things being in new places like seeds.  

Infiltration is adding things in to something, such as adding salt to water.

3 0
3 years ago
Read 2 more answers
Describe, in detail, to a freshman undergraduate student the basic principle underlying the separation of dna using agarose gel
Luden [163]

Definition

              A technique which is used to separate, DNA, RNA or protein pieces from each other under the influence of electric field on the basis of their molecular size is known as gel electrophoresis.

Explanation

                  This method is very reliable for separation of large size molecule (over 1 million Da).  Materials which are required for gel electrophoresis include:

1. TAE stock buffer

2. 1% agrose gel

3. Nucleic acid loading dye

4. Ethidium bromide


Procedure:

                 First prepare a stock solution of TAE buffer by adding appropriate amount of TAE in distilled water. then prepare 1% agrose by adding 1X TAE, some amount of agrose in water and heating it in microwve oven to mix them will. then pour agrose gel on tray and fix comb in it and keep it untill agrose dry. Then remove comb and pour some quantity of nucleic acid along with loading dye and ethidium bromide in each well. EtBr is used for staining nucleic acid.

When sample is poured in all well also pour  reference marker in one well for comparison. now connect it with voltage for 30-35 min. After this take gel and see it under UV. a large number of nucleic acid pieces will be seen on gel under UV. those pieces which have small molecular weight will cover more distance compared to those having larger molecular weight.



5 0
3 years ago
Read 2 more answers
Can amoeba have offspring with different genes and traits
stepan [7]

Here is your answer

No

______________________________

REASON:

Amoeba reproduces by the process of binary fusion which is an asexual mode of reproduction.

Since, in asexual method mitosis cell division takes place, same DNA material is transferred to the offsprings so no new traits and genes can be found in offsprings.

However in some case due to genetic drift or mutation, slight variations can be found in progeny.

But this is very exceptional.

______________________________

HOPE IT IS USEFUL

4 0
3 years ago
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Plants move water from the roots of the plant to the leaves through transpiration. As water evaporates from the leaf, cohesion p
adoni [48]

Answer:

Stomata are the organs present on the stem and leaves of the plant and help in the gaseous exchange and evaporating water present in the aerial parts of the plant. Mainly leaves stomata plays role in gaseous exchange and transpiration which is the evaporation of the aerial water of plants by opening and closing the stomata. Stomata are small pores mostly and normally present under the leaves and regulated by the guard cells, dum bell shaped cells to close or close it.

Other than closing and opening the stomata, stomata density also can affect the rate of gas exchange as well as transpiration. Stomata density is the presence of the numbers of the stomata per unit area. In heat or sunny area the stomata density is higher than the shady or dark area to increase the transpiration in order to cool down the leaves of the plant which prevent the chloroplast proteins to denature.

4 0
3 years ago
According to the cladogram, which characteristic was used to separate bony fish from amphibians?
noname [10]

Answer:

(D). lungs

Explanation:

Cladograms are diagrams that show cladistic relationship between organisms of different species on the basis of their characteristics. The cladograms may include characteristics to make two organisms different from each other.  

In given cladogram, characteristic that separates bony fish from amphibians is 'lungs', as lungs are absent in bony fishes, while present in amphibians.

Thus, the correct answer is option (D).

 

3 0
3 years ago
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