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Alborosie
3 years ago
15

What is a radical? in biology

Biology
1 answer:
Vanyuwa [196]3 years ago
4 0

Answer:

Radical is an atom or a group of atoms of different elements that act as a single unit during chemical reaction.

Explanation:

For example: Hydrogen, Nitrogen,Nitride,Nitrate,Ammonium, etc.

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Which of the following options lists the stages in cellular respiration in the correct order? glycolysis, the citric acid cycle,
marishachu [46]

Answer:

The correct answer is  glycolysis, the citric acid cycle, and oxidative phosphorylation

Explanation:

Aerobic respiration contains three major processes that are glycolysis, the citric acid cycle, and oxidative phosphorylation.  

In glycolysis, partial oxidation of one mole of glucose gives two moles of pyruvate and 2 NADH and 2 ATP. Then this pyruvate is converted into acetyl-CoA in the mitochondrial matrix(in eukaryotes) and acts as a fuel for the Krebs cycle.

In the Krebs cycle, acetyl CoA gives rise to 4 CO₂, 2 ATP, 6 NADH, and 2 FADH₂. So from glycolysis and Krebs cycle, only 4 ATP is produced and most of the energy remains in the form of NADH and FADH₂.

So in oxidative phosphorylation electrons are released from these molecules into machinery of oxidative phosphorylation to synthesize ATP.

3 0
3 years ago
Which measures the mass of an object
Makovka662 [10]

Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter. Weight is measured on a scale.

8 0
3 years ago
What type of conduction takes place in unmyelinated axons? What type of conduction takes place in unmyelinated axons? Continuous
Volgvan

Continuous conduction takes place in unmyelinated axon.

Explanation:

Based on the presence and absence of myelin sheath, the neurons had been classified as myelinated and non-myelinated neurons respectively.

In myelinated neurons the transmission of impulse takes place only at the non myelinated region called nodes of Ranvier. Due to this, the conduction in Myelinated neuron is saltatory.

The conduction in non-myelinated neuron takes place throughout the length of axon and it is continuous.

Saltatory conduction is faster than continuous conduction.

6 0
3 years ago
Which of the following is an example of active transport in a cell?
denis23 [38]

Answer:

the answer is D :)

Explanation:

Active transport uses energy molecules to move particles like sodium, against their concentration gradients, from areas of low concentration to areas of high concentration.

8 0
3 years ago
Which are specific to just prokaryotes, or just plants, or just animals? drag the appropriate items to their respective bins. he
balu736 [363]
<span>Prokaryotes have magnetite-containing structures, nucleoid (their version of a nucleus), fimbriae. Animals have lysosomes. Plant cells have chloroplasts (make the plant cells green, produce energy for plants), photosynthetic membranes (produce energy for plants), cell well. Flagella can be found in prokaryotes and animal cells but for a simpler biology class, I would put it with prokaryotes.</span>
7 0
2 years ago
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