<u>Radiometric</u> dating uses a radioactive substance to determine the <u>absolute </u>age of something.
Answer:
anaphase I homologous pairs separate
Answer:
B. lined up perpendicular to the long axis of the bone, in the direction of perforating canals.
Explanation:
Osteons are formations of concentric bone layers (lamellae) that tend to <em>run parallel to the long axis of a bone.</em> They sorround the Haversian canal, a canal that contains blood vessels that supply the osteocytes and are the structural unit of compact bone.
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If the researchers replaced the bacterial proton pump with a proton pump that was activated only by atp then less ATP would be produced when the light is on because no proton gradient would be available to produce ATP.
<h3>What is
proton gradient ?</h3>
Two quinol (4H+4e) oxidations at the Qo site result in the formation of one quinol (2H+2e) at the Qi site, creating a proton gradient (in total six protons are translocated: two protons reduce quinone to quinol and four protons are released from two ubiquinol molecules).
For the ETC to continue functioning, the energy trapped in the electrochemical gradient of protons across the inner mitochondrial membrane must also be released in some manner. ATP is created using the energy in the proton electrochemical gradient.
Chemiosmotic coupling is the process by which ATP synthesis is coupled to the electrochemical gradient of H+ across the inner mitochondrial membrane.
Peter Mitchell, who in 1961 made the initial suggestion, was given the Nobel Prize for his efforts in 1978.
To learn more about proton gradient from the given link:
brainly.com/question/28046848
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Answer:
The correct answer is - mitochondria.
Explanation:
The reaction the generates the energy by the oxidation and reduction reaction that takes place in the cell is cellular respiration which converts biochemical reaction from the nutrients to ATP which is the currency of the energy in living beings.
The cellular respiration has three-stage glycolysis ( takes place in the cytoplasm), Oxidative decarboxylation and TCA cycle. Oxidative decarboxylation and TCA cycle take place in the mitochondria which involves oxidation of pyruvate and reduction of NAD+ in this process.
Thus, the correct answer is - Mitochondria.
