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zavuch27 [327]
3 years ago
8

 What substance is oxidized during cellular respiration? A. glucose B. carbon dioxide C. oxygen D. water

Biology
2 answers:
Inessa [10]3 years ago
8 0

The right answer is A. glucose.

The term "oxidation" more broadly refers to a reaction in which a reagent loses one or more electrons.

The oxidation of the glucose molecule occurs during glycolysis by losing its electrons and transmitting them to NAD + to give NADH:

Glucose + 2 ADP + 2 Pi + 2 NAD + -----> 2 pyruvate + 2 ATP + 2 H2O + 2 NADH.

Aleks04 [339]3 years ago
8 0
Glucose is oxidized !
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6 0
2 years ago
Which of the following is an example of using relaxation techniques? a. flight-or-flight response b. visualization c. rational r
kirill115 [55]

Answer:

Option B

Explanation:

Flight-or-flight response is a response or physiological reaction towards external stimuli. Systematic desensitization is a methodology to control anxiety during speech. Hence, these two are not relaxation techniques.  Transforming novelty into familiarity is also a methodology to remain prepared during a speech by practicing it well. Visualization is a technique that helps our mind to relax by using imagination to reach a relaxed state of mind.

Hence, option B is correct

8 0
3 years ago
Question 4 (1 point)<br> Why are nonsense mutations rare?
Lostsunrise [7]

When a DNA sequence alteration results in a stop codon rather than a codon that specifies an amino acid, it is known as a nonsense mutation. This is rarely seen in 10% of patients with genetic disease.

<h3>What is nonsense mutation?</h3>

A nonsense mutation in a DNA sequence causes a premature stop codon, also known as a nonsense codon, in the transcribed mRNA as well as a shortened, ineffective, and typically nonfunctional protein product.

Because stop codons, also known as nonsense codons, signal the completion of protein synthesis rather than encoding for an amino acid, they are the source of the term "nonsense mutation."

Examples of illnesses for which nonsense mutations have been implicated as contributing factors include: Cystic fibrosis (produced by the G542X mutation in the cystic fibrosis transmembrane conductance regulator); (CFTR) Beta-globin (thalassemia) Hurler disease.

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5 0
1 year ago
The final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is
labwork [276]

Answer: a. oxygen

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Forgive me for this poor response I was trying to be quick and it resulted in this vague and disorganized mess. To properly explain the ETC and oxidative phosphorylation it would be best to start from the beginning and explain all the stages of Aerobic respiration. Then it would be easier to Segway in to this final stage which would definitely take 2-3 descriptive paragraphs to cover.

8 0
2 years ago
What are the labels of the transmission electronic microscope image of a chloroplast
Nina [5.8K]

Answer:

Explanation:

Transfer RNA (tRNA) precursors undergo endoribonucleolytic processing of their 5' and 3' ends. 5' cleavage of the precursor transcript is performed by ribonuclease P (RNase P). While in most organisms RNase P is a ribonucleoprotein that harbors a catalytically active RNA component, human mitochondria and the chloroplasts (plastids) and mitochondria

6 0
2 years ago
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