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hammer [34]
3 years ago
7

PLEASE HELP Describe how proteins facilitate the movement of things through the cell membrane. ​

Biology
1 answer:
Nesterboy [21]3 years ago
7 0
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5 0
3 years ago
Read 2 more answers
What does compact bone do?
ikadub [295]
If I remember correctly, compact bone is suppose to strengthen the bone.
4 0
3 years ago
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Where in the cell do organisms convert sugar to ATP?
grandymaker [24]

Answer:

In their Mitochondria.

Explanation:

Organisms contain cells. Each cell has organelles (which are the organs of the cells). There is an organelle called mitochondria which is known as the powerhouse of the cell as it create the neccessry ATP energy.

5 0
3 years ago
For dating what kinds of Geologic samples containing uranium is 238U most useful? Why?
slavikrds [6]

Answer:

After C14, Uranium238  is most widely used mineral in geological or archaeological dating.

Explanation:

U238 is generally used to date the rock materials, to know the age. As we know the half-life of U238, it is easy to identify the age of the materials containing uranium 238. It can be called as absolute dating method as it determines the exact age of the uranium contained material. It is a type of radiometric dating.

3 0
3 years ago
Which step in the PCR program would you have to change if your fragment would have been 10 times longer and how?
bekas [8.4K]

Answer:

increasing extension time

Explanation:

The Polymerase Chain Reaction is a technique widely used in molecular biology laboratories to amplify target DNA regions. The standard steps of a PCR are as follow 1-denaturation, 2-annealing and 3-elongation/extension. These steps are repeated 15-40 times in order to exponentially amplify the linear DNA fragment. It is well known that longer extension times can be used as a strategy to increase the yield of longer PCR products. This is because the extension time depends on the synthesis rate of the DNA polymerase used in PCR technique and the length of the DNA fragment to be amplified.

7 0
3 years ago
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