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kumpel [21]
3 years ago
13

Which cells allow the body to sense touch? A. melanocytes B. keratinocytes C. dendritic cells D. tactile cells​

Biology
1 answer:
irina [24]3 years ago
3 0

Answer:

I think it is D. Tactile cells

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Describe two examples of abiotic and biotic factors that a cow can experience in its environment.
oksian1 [2.3K]
The water from a trough and the temperature outside would be abiotic factors. the grass it grazes on or a cowbird picking bugs off of it would be biotic factors (for future reference, abiotic factors are caused by nonliving things, and biotic factors are caused by other organisms)
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Unlike a typical animal cell, this plant cell has an angular shape. the shape of a plant cell is due, mostly, to the presence of
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The angular structure is due to the presence of a cells wall which causes the cells to have a structure that is angular

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The perception of an image first, followed by noticing individual pieces of the
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Answer:top-down

Explanation:

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2. In gluconeogenesis, it takes two enzymes to convert pyruvate to phosphoenolpyruvate. a. Explain what is happening chemically
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Answer:1. Pyruvate carboxylase

2. Phosphoenol pyruvate carboxy kinase

Explanation:

The conversion of pyruvate to phosphoenol pyruvate is catalyzed by two enzymes Pyruvate carboxylase and phosphoenol pyruvate carboxy kinase

1. Pyruvate carboxylase reaction

Pyruvate in the cytoplasm enters the mitochondria. Then, carboxylase of pyruvate to oxaloacetate is catalysed by a mitochondrial enzyme, pyruvate carboxylase. It needs the co-enzymes biotin and ATP.

The oxaloacetate formed has to be transported from the mitochondrial to the cytosol because further reaction of gluconeogenesis are taking place in cytosol.

2. Phoaphoenol pyruvate carboxy kinase (PEPCK)

In the cytoplasm, PEPCK enzyme then converts oxaloacetate to phoaphoenol pyruvate by removing a molecule of CO2. GTP or ITP donates the phosphate group.

The net effect of these two reactions is the conversion of pyruvate to phoaphoenol pyruvate. This circumverts the irreversible step in glycolysis catalyzed by pyruvate kinase (step 9 if glycolysis)

5 0
3 years ago
Is St.Louis a Holiday?
ozzi

Answer:

Religiously, yes; nationally, no.

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Not all religions and beliefs have St. Louis, so there would be a sort of feast day in the particular religion St. Louis is regarded a saint.

Also, remember to post your questions in the correct slot: this would not be Biology. Have a great day! :)

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