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vovangra [49]
2 years ago
7

The purpose of electron transport systems is to conduct a stepwise release of energy from redox reactions that can be coupled to

work (e.g., extrusion of protons). During electron transfer, a series of non-protein cofactors undergoes reversible reduction and oxidation with small transition states to avoid loss of energy as heat. Which of the molecular features listed below facilitate the low energy transitions mediated by the redox centers?
Choose one or more:
A. coenzyme A (e.g., in Acetyl-CoA)
B. phosphoryl groups with high energy of hydrolysis (e.g., ATP)
C. conjugated double-bond and heteroaromatic rings (e.g., in FMN and NAD+)
D. metal ions (e.g., Fe-S clusters) E. heme groups
Biology
1 answer:
amid [387]2 years ago
6 0

Answer:

Explanation:

I don’t know man but 2+2=4 I hope that works

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Identify two ways in which scientists know the physical characteristics of organisms change over time.
Viktor [21]

Answer:

Explanation:

Wind t Water + Season changing

5 0
2 years ago
Polysaccharide digestion and glycogen breakdown involve sequential cleavage from ________ ends of glucose polymers.
Alex787 [66]

Sequential cleavage from the non-reducing terminals of glucose molecules is required for both glycogen degradation and polysaccharides hydrolysis.

Why non-reducing end is selected for digestion?

A polysaccharide's non-reducing end is the one where an anomeric carbon participates in the glycosidic connection. The elimination of carbohydrate remnants one at a time out from the non-reducing terminal occurs during glycogenolysis and polysaccharides hydrolysis.

  • For example, several enzymes are involved in glycogenolysis in the liver and muscle.
  • An example of such an enzyme is glycogen phosphorylase, which catalyzes the successive dissociation of the alpha 1->4 glycosidic bond that connects two glucose molecules at a non-reducing terminal of glycogen. The last glucose residue is eliminated as alpha-D-glucose 1-phosphate.

That is why non-reducing end of glucose is chosen for digestion or breakdown of the carbohydrate polymer.

Learn more about non-reducing here:

brainly.com/question/1832596

#SPJ4

5 0
1 year ago
Darwin studied actual birds on the Galapagos Islands instead of using a simulation, as you did in this lab. Studying natural sel
Papessa [141]
Properly identifying each species.
Accurately recording his findings.
Not interfering with ecosystem while studying the birds.
4 0
3 years ago
Read 2 more answers
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STatiana [176]

Answer:The correct answer is letter A.

Explanation: he is right

Your teacher gives you an unknown protist to classify that is currently inactive. The protist appears to have long lash-like

appendages protruding from its cell surface. Which kind of locomotion can we expect from this protist? (1 point)

The appendages of this protist will move in a dragging motion that actively pulls the protist forward.

O The appendages of this protist will move in a sweeping motion like oars to actively propel the protist forward.

The appendages of this protist will move back and forth like a wagging tail to actively propel the protist

forward

O The appendages of this protist are not functional, and the protist moves passively via environmental forces.

6 0
3 years ago
Which structure is directly involved in gas exchange?
Marysya12 [62]
I would say the alveoli. They are tiny air pockets in the lungs: this is where the diffusion of oxygen and carbon dioxide occurs.

Hope this helps! x
4 0
3 years ago
Read 2 more answers
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