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3 years ago

Thylakoids dna and ribosomes are all components found in

Biology

2 answers:

alexandr402 [8]3 years ago

6 0

Those components are found in Chloroplasts.

Mandarinka [93]3 years ago

5 0

Answer:

Thylakoids DNA and ribosomes are all components found in chloroplast of the plant cell. Chloroplast is the double membrane-bound organelle present in plants. Thylakoid sheets are present in chloroplast which contains a pigment called chlorophyll that absorbs sunlight and helps in photosynthesis.

These thylakoids are present in stroma which is the fluid-filled space in chloroplast and contains many enzymes, ribosomes, and DNA of chloroplast. The DNA of the chloroplast is circular and ribosomes are 70s type which resembles the prokaryotic cell.

Many thylakoids stacks together to form granum and many granum together called grana which used to perform the light-dependent photosynthesis inside the chloroplast. Therefore, both thylakoid DNA and ribosomes are found in chloroplast.

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3 years ago

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aleksklad [387]

Answer:

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Explanation:

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3 years ago

. In which phase of cellular respiration is glucose a substrate?

vodka [1.7K]

Explanation:

During glycolysis, enzymes act on the substrate, glucose. Glycolysis occurs in the cytoplasm; here, 2 molecules of ATP are used to cleave glucose into 2 pyruvates, 4 ATP and 2 electron carrying NADH molecules.

Further Explanation:

In all eukaryotic cells mitochondria are small cellular organelles bound by membranes, these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is stored within the molecule ATP which is produced. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate( through the process of glycolysis in the cytoplasm).

overall: C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain the energy they release is used in pumping protons out of the matrix of the mitochondria.

This forms a gradient where there is a differential in the number of protons on either side of the membrane the protons flow or re-enter the matrix through the enzyme ATP synthase, which makes the energy storage molecules of ATP from the reduction of ADP. At the end of the electron transport, three molecules of oxygen accept electrons and protons to form molecules of water...

Glycolysis: occurs in the cytoplasm 2 molecules of ATP are used to cleave glucose into 2 pyruvates, 4 ATP and 2 electron carrying NADH molecules.
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The electron transport chain, ETC: in the inner mitochondrial membrane, 34 ATP, electrons combine with H+ split from 10 NADH, 4 FADH2, renewing the number of electron acceptors and 3 oxygen; this forms 6 H2O, 10 NAD+, 4 FAD.