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Verdich [7]
3 years ago
11

Directions: Answer the questions below.

Biology
1 answer:
noname [10]3 years ago
3 0

Answer:

Sediments from a river bed are carried downstream, creating a deep, narrow channel.

Explanation:

the water played role in forming the channels. Broken English sorry!

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I think the answer would be protons
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Which of these brain structures is believed to play a role in judging whether external stimuli offers threats or rewards?
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The answer to this is amygdala
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Myristoyl-CoA is a saturated fatty acid with 14 carbons attached to coenzyme A. How many molecules of ATP would be generated fro
sladkih [1.3K]

Answer:

Total ATP molecules produced = 94 molecules of ATP

Explanation:

Myristoyl-CoA, is a saturated fatty acid with 14 carbons which has been activated for oxidation by attachment to coenzyme A. When it has undergone complete oxidation, it will yield 7 acetyl-CoA molecules and 6 FADH₂ and 6 NADH molecules each.

Each of the 7 acetyl-CoA molecules obtained from its initial oxidation enters into the citric acid cycle and is completely oxidized to yield further ATP and  FADH₂ and NADH molecules.

The overall yield of ATP from the various enzymatic steps is shown below:

Acyl-CoA dehydrodenase = 6 FADH₂

β-Hydroxyacyl-CoA dehydrogenase = 6 NADH

Isocitrate dehydrogenase = 7 NADH

α-Ketoglutarate dehydrogenase = 7 NADH  

Succinyl-CoA synthase = 7 ATP (from substrate-level phosphorylation)  

Succinate dehydrogenase = 7 FADH₂

Malate dehydrogenase = 7 NADH

Note: 1 FADH2 molecule yields 1.5 ATP; 1 NADH molecule yields 2.5 ATP molecules. Therefore,

Total ATP  from FADH₂ molecules = 13 * 1.5 = 19.5  

Total NADH molecules = 27 * 2.5 = 67.5

Total ATP molecules produced = 19.5 + 67.5 + 7  = 94

Total ATP molecules produced = 94 molecules of ATP

4 0
3 years ago
How does xylem differ from phloem?​
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Answer:

Xylem is different from phloem structurally and functionally

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Xylem conducts water and minerals to the leaves where phloem transports the prepared food from leaves to different parts of plant body.

6 0
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How did Louis Pasteur's experiments lead to new scientific understandings of germs?
Ainat [17]

Answer:

The correct answer is : Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.

Explanation:

Louis Pasteur's experiment with cooking shows that the microbes or germs that cause spoilage of food and disease after eating to an individual, could be killed by the heating process.

His experiment shows that microbes cause food and liquid spoilage which can be prevent by the process of the pasteurization or heating that kill such germs.

Thus, the correct answer is - Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.

7 0
3 years ago
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