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2 years ago

Acetyl-CoA can be generated by which three metabolic pathways for potential use by the Citric Acid Cycle for energy metabolism?

Biology

1 answer:

Reika [66]2 years ago

4 0

Answer:

C is the correct option.

Explanation:

Glycolysis is the standard way for the formation of acetyl-CoA, from glucose.

Second, beta-oxidation of fatty acids generates 2 acetyl-coA molecules per cycle.

Finally, the degradation of amino acids generates intermediates of the Krebbs cycle. Occasionally Leucine, tryptophan and isoleucine are directly catalysed in acetyl-CoA.

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Gel analysis of fragments in step 6 shows that even though the undigested DNA and DNA digested with HindIII are both 1000 bp, th

Soloha48 [4]

Answer:

Size of the band varied

Explanation:

In the given question, the options are not provided but based on the information provided in the question, it can be predicted.

When the DNA was digested by the HindIII, then the length of the digest came about 1000 bp and the undigested DNA was also found 1000 bp.

When both the bands were analysed by Gel electrophoresis then the bands do not run to the same distance therefore this shows that the size of both the bands was not equal and their size varied.

Thus, the size of the band varied is correct.

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3 years ago

Puromycin is an antibiotic. Its effect is to force the ribosome to detach from the mRNA chain before reaching the stop codon. Ex

DIA [1.3K]

Answer:

Please find the explanation below

Explanation:

Transcription and translation are the two proocesess involved in gene expression. These two processes are important because the end result is a PROTEIN responsible for the phenotypic characteristics of that organism. Transcription involves synthesis of mRNA from DNA while translation involves synthesis of protein from mRNA.

In this question, an antibiotics called Puromycin forces the ribosome to detach from the mRNA chain before reaching the stop codon. This means that the antibiotics "Puromycin" abruptly truncates the translation process. Hence, proteins will not be produced. This means that the organism (bacteria) will not be functionally active because of lack of necessary PROTEINS.

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2 years ago

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PLEASE HELPP!!!!

katrin2010 [14]

Answer: c

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1 year ago

Explain why a bone is referred to as a living tissue?

marissa [1.9K]

Bones are living tissue which have their own blood vessels and are made of various cells, proteins, minerals and vitamins. This structure enables them to grow, transform and repair themselves throughout life.During childhood and adolescence, cartilage grows and is slowly replaced by hard bone.That is why children bones are a little harder to break but adult bone a little easier to break because there bone gets harder when they grow :)

Hope this helps :)

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2 years ago

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What is the difference between active transport and passive transport

Irina18 [472]

Active transport requires energy to transfer material in and out of the cell.

Passive transport is automatic and does not require energy.

Examples of Active: Endocytosis and Exocytosis.

Examples of Passive: Facilitated Diffusion, Simple Diffusion, and Osmosis.

Hope I helped! HAPPY NEW YEAR!!!!!!!

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2 years ago

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