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Yakvenalex [24]
3 years ago
12

What is active transport?​

Biology
1 answer:
Igoryamba3 years ago
7 0

Answer:

Transportation of substances in cells, where they travel against the concentration gradient. However, it requires ATP to do so.

Explanation:

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How should u test a hypothesis
svlad2 [7]

You can test the hypothesis by experimenting.

In this step, you can find out if your hypothesis is true, and draw a conclusion through the outcomes.

hope this helps

3 0
3 years ago
Which of these statements best describes what happens during vegetative reproduction?
I am Lyosha [343]

Answer:

C. A new plant develops from a stem or root of its parent plant.

Explanation:

Plants reproduce from two ways i. e. Reproduction through seeds and reproduction through vegetative parts. In reproduction through seeds, new plants emerge from seeds when they are sown in the soil while in vegetative reproduction, new plant emerge from vegetative parts such as stem, leaves and roots. Vegetative reproduction is better because it saves time.

8 0
3 years ago
Read 2 more answers
You have purified the receptor for a hormone by affinity chromatography. During gel filtration chromatography under native condi
morpeh [17]

Answer:

the hormone receptor is a heterotetramer composed of two subunits with 95 kDa and two subunits with 135 kDa

Explanation:

In this case, the heterotetramer is composed of two heterodimers, each composed of two subunits that held together by disulfide bonds. These heterodimers bind together through hydrophobic interactions in order to form a tetramer. The Sodium Dodecyl Sulfate (SDS) is a denaturing detergent that dissociates both heterodimers by interfering with hydrophobic interactions that hold heterodimers together. It is for that reason that only a single band of 230 kDa is observed (135 kDa + 95 kDa = 230 kDa). Moreover, 2-Mercaptoethanol breaks disulfide bonds, thereby separating the two subunits in the heterodimer. In consequence, after the use of this chemical compound (2-Mercaptoethanol), two different bands with 135 kDa and 95 kDa can be observed.

8 0
3 years ago
Does the example ( picture ) describe science or pseudoscience?
alex41 [277]

bc it a map of the earth when ppl though that it was flat  its pseudoscience

8 0
3 years ago
How can a population of dandelion be affected by a population of rabbits?
lys-0071 [83]
The population of dandelions can be affected boa population of rabbits due to the food web.The rabbits feed on the dandelions therefore decreasing the amount of dandelion in the area
5 0
3 years ago
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