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grandymaker [24]
3 years ago
5

If a scientist wanted to study cell responses under varying environmental conditions, what laboratory technique would be appropr

iate to use
Biology
1 answer:
Rainbow [258]3 years ago
6 0
The appropriate method to use is CELL CULTURE.
Cell culture allows a scientist to cultivate a cell in large quantity. These cells can then be harvested and subjected to varying conditions in order to observe their responses to these conditions.
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True or false Atoms, molecules, and small particles are in constant motion
Zolol [24]
True

Atoms, Molecules, and small particles are always in motion.
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3 years ago
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What does the term "basic unit of matter" refer to?Select one of the options below as your answer: a. Atoms b. Elements c. Molec
katrin2010 [14]

Answer:

Atoms

Explanation:

Atom is the most basic unit of matter. Atoms are used to describe pieces of matter, but a different kind of atom makes up an element.  A combination of atom of different elements creates a molecule. Let's say you have some water, the chemical formula is "H20." If you wanted to separate H and O, that gives you two atoms. H would be Hydrogen and the other atom is Oxygen. So when we combine these two atom they formed as the chemical formula H20.

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3 years ago
Most air pollution results from ____.
Inessa [10]

Answer:

a

Explanation:

mostly lot of pollutants are from fosills therefore it is true that most of pollusions are from fossil fuels

6 0
2 years ago
You are studying a protein called myprotein in the cytosol. You want to see if another protein called, otherprotein, is required
jasenka [17]

Answer:

size chromatography, because chance are the protein that interact are the same size

6 0
3 years ago
Hemoglobin is a protein which binds oxygen in the lungs and releases it in the capillaries. Interestingly, your body controls th
pshichka [43]

Answer:

Oxygen binds with Heme though cooperate binding.This means that as the oxygen molecule binds to the first of the 4 heme groups,it weakened the intermolecular forces, holding the heme group,causing structural change in the Hb molecule.

This  increases the affinity of Hb for more oxygen.Therefore facilitating easy binding of the second oxygen atoms.The 3rd will be faster,while the  the binding of the 4th Oxygen atom is the fastest.This is cooperative binding.

The oxygen binding to the heme group in the lungs at high partial pressure  of oxygen (with low partial pressure of CO2)shifts the dissociation curve for oxygen to the left, so that the heme group  hold oxygen molecule tight and transport this to be released in the tissues. The high  partial pressure and concentration of CO2 at the tissues enable the unloading of Oxygen.This is called Bohr's effects.Here ( tissues) the curves shifts to the right for Hb to unload O2.

When CO2 dissolve in  water in the blood,it dissolves in water in the presence of an enzyme carbonic  anhydrase to form H2CO3. This is unstable and dissociate into H+ and HC03-

The H+ increases the acidity of the blood, and the blood capillaries.Thus it increases the acidity of the capillaries.However, this is mopped by Hb to form heamoglobinic acid.(HHB).Thus it  acts as a buffer.

With the presence of Oxygen, Hb releases oxygen it was carrying to the cells. Bohr' effects

The HCO3- from above diffuses from the blood into the blood plasma, to be carried in solution to the lungs, to release oxygen.CI- from the plasma diffuses back into the blood to balance the electronegativity.This is chloride shift.

Explanation:

8 0
3 years ago
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