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Serhud [2]
3 years ago
10

Pleaseeeeeeeeeee help

Biology
1 answer:
eimsori [14]3 years ago
4 0
What is that I don’t understand
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PLEASE HELP !!!!!!!!!! FORENSIC SCIENCE
anastassius [24]

Explanation:

Determining a substance's physical or chemical identity. What are the two main requirements for identification? The adoption of testing procedures that give characteristic results for specific standard materials and the number and type of tests needed to identify a substance to exclude all other substances.

6 0
3 years ago
________ is the involuntary expulsion of the contents of the stomach and duodenum out the mouth
wlad13 [49]

Answer:

<h2><u>Vomiting</u></h2>

Explanation:

<em><u>Vomiting</u></em> is the involuntary expulsion of the contents of the stomach and duodenum out the mouth

Hope this help

plz mark brainliest

Have a nice day!!!!

7 0
3 years ago
The following substrate is completely oxidized to CO2 by a cellular homogenate containing all necessary enzymes and coenzymes .
Triss [41]

Answer:

The correct answer is - 19 ATP.

Explanation:

One molecule of dihydroxyacetone phosphate fully oxidizes and generate 19 molecules of ATP by the following stochiometry

Direct ATP- 2

ATP from NADH ( 5X3)= 15

ATP from GTP 1

ATP from FADH2 1 or 1.5

Total 19 or 19.5

5 0
3 years ago
In the proto-solar system nebula, gravity pulled matter together to form larger bodies. As they collided, what happened to these
Karolina [17]

Answer:

There was a release of immense heat within the bodies as they collided together as gravitational potential energy was converted into kinetic energy of the individual gas particles and then collisions between these particles converted this energy into heat.

Therefore, a massive amount of heat was released.

3 0
4 years ago
When NADH is the electron donor to the respiratory chain, 2.5 ATP are formed, but when FADH2 is the electron donor, only 1.5 ATP
Fofino [41]

Answer:NADH donates it electron to complex I a higher energy level than other complexes while FADH donates it electron to complex II a lower energy complex.

Explanation:

Both NADH and FADH are shuttle of high energy electrons originally extracted from food into the inner mitochondrial membrane.

NADH donate it electron to a flavoprotein consisting of FMN prosthetic group and an iron-sulphur protein in ETC complex-I. Two electrons and one hydrogen ion are are transferred from NADH to the flavin prosthetic group of the enzyme.

While the electrons from FADH2 enters the ETC (electron transport chain) at the level of co-enzyme Q (complex II). This step does not librate enough energy to act as a proton pump.

So NADH produces 2.5 ATP during the ETC and oxidative phosphorylation because it donates its electron to Complex I, which pump more electrons across the membrane than other complexes.

5 0
3 years ago
Read 2 more answers
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