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4 years ago

The process which hollow visceral organs undergo to propel substances is called _

1 answer:

8 0

The movement is called as peristalsis. This leads to the forward movements, which leads to pushing the food into the stomach and intestines, fro the esophagus, for digestion. It is a mechanical movement. These are the series of wave-like muscle contractions.

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What is the pH of milk? Is it an acid, base, or neutral?

soldi70 [24.7K]

Some sources cite milk as being neutral since it is so close to the neutral however milk contains lactic acid, which is a hydrogen donor or proton donor.

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3 years ago

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One year is the amount of time it takes Earth to ____________.

svetoff [14.1K]

Answer:

Complete one revolution.

Explanation:

The earth completes one revolution around the sun in a year. Not to be confused with rotation. Rotation is when the Earth rotates about its axis.

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3 years ago

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The (duck-billed) platypus is: a A transitional species. b A monotreme. c A recent evolutionary deviation from the mammal class

xz_007 [3.2K]

The answer is B ... i hope this helps

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3 years ago

What is Fermentation ?

Otrada [13]

Answer:

Fermentation is an enzyme catalysed, metabolic process whereby organisms convert starch or sugar to alcohol or an acid anaerobically releasing energy. The science of fermentation is called “zymology”. Fermentation is an anaerobic biochemical process 

Or

Fermentation, chemical process by which molecules such as glucose are broken down anaerobically. More broadly, fermentation is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old.

Or

More broadly, fermentation is the foaming that occurs during the manufacture of wine and beer, a process at least 10,000 years old. The frothing results from the evolution of carbon dioxide gas, though this was not recognized until the 17th century. 

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4 0

3 years ago

If the genotypic frequencies of AA, Aa, and aa are 0.6, 0.2, and 0.2, respectively, then the frequency of allele A is _____ and

photoshop1234 [79]

Answer:

The frequency of allele A = 0.7

The frequency of allele a = 0.3

Explanation:

Assume that p = frequency of allele A ad q = the frequency of allele a

According to Hardy Weinberg equilibrium

p + q = 1

p² + 2pq + q² = 1

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3 0

3 years ago