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irinina [24]
3 years ago
9

Which statement best distinguishes aerobic from anaerobic respiration? A. only aerobic respiration involves fermentation B. only

anaerobic respiration occurs in the mitochondria C. only aerobic respiration requires oxygen D. only anaerobic respiration produces carbon dioxide
Biology
1 answer:
murzikaleks [220]3 years ago
4 0
C, out of the 2 processes it is only aerobic respiration that requires oxygen to take place. Because of this the products as different, for example lactic acid is a product of anaerobic respiration but is never made by aerobic respiration.
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A systolic pressure of 112mmhg is a representation of the pressure in arteries during the contraction of the ventricles in the heart. So, C is correct. Systole means contraction while diastole means rest.
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Why are proteins considered organic molecules
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They are considered organic molecules because the monomer which make proteins are amino acids which are organic compounds.
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Read 2 more answers
For both actin and microtubule polymerization, nucleotide hydrolysis is important for ______. Group of answer choices promoting
jarptica [38.1K]

Answer:

For both actin and microtubule polymerization, nucleotide hydrolysis is important for decreasing the binding strength between subunits on filaments.

Explanation:

Cytoskeletal filaments are common to eucaryotic cells and are impotartant to the spatial organization of cells. Intermediate filaments provide mechanical strength and resistance to shear stress. Microtubules determine the positions of membrane-enclosed organelles and direct intracellular transport. Actin filaments determine the shape of the cell's surface and are necessary for whole-cell locomotion. A large number of accessory proteins are present that link the filaments to other cell components, as well as to each other. Accessory proteins are essential for the assembly of the cytoskeletal filaments in particular locations, and it includes the motor proteins that either move organelles along the filaments or move the filaments themselves.

Actin filaments and microtubules are assembled with expenditure of energy i.e the ATP/GTP tightly bound to actin/tubulin is irreversibly hydrolyzed to ADP/GTP during the assembly process, and liberation of Pi in the medium occurs subsequent to the incorporation of subunits in the polymer. Pi release acts as a switch, causing the destabilization of protein-protein interactions in the polymer, therefore regulating the dynamics of these fibres. The progress is made in four areas: the chemistry of the NTPase reaction; the structure of the intermediates in nucleotide hydrolysis and the nature of the conformational switch; the regulation of parameters involved in dynamic instability of microtubules; and the possible involvement of nucleotide hydrolysis in the macroscopic organization of these polymers in highly concentrated solutions, compared with the simple case of a equilibrium polymers.  

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Select the two best answers.
Andre45 [30]

Answer:

B is correct Answer

a diploid number of

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