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3 years ago

Why is digestion and absorption in the small intestine important

1 answer:

7 0

A large part of protein digestion takes place in the stomach. The enzyme pepsin plays an important role in the digestion of proteins by breaking them down into peptides, short chains of four to nine amino acids. ... The amino acids are absorbed into the bloodstream through the small intestine.

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What is the importance of microtubules in cell division? (1 point)

Digiron [165]

Answer:

Microtubules play an important role in cell division by contributing to the formation of the mitotic spindle, which plays a part in the migration of duplicated chromosomes during anaphase.

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3 years ago

An amoeba reproduces by splitting itself into two amoebas. This means that the original amoeba dies and its two offspring live o

Naddika [18.5K]

Answer:

If one amoeba dies then two amoeba get born:

at different stages of the generations of the amoeba it changes accordingly and the died amoeba numbers are also change in the given manner :

stages dies born

I 1 2

II $2^{1}$ 4 = $2^{2}$

III $2^{2}$ 8 = $2^{3}$

At $n^{th}$ = $2^{n}$ $2^{n+1}$

By the geometric series formula:

1+ $a^{1}$ + $a^{2}$ + $a^{3}$ ...+ $a^{n}$ = $\frac{a^{n+1} }{a^-1} }$

so, 1+ $2^{1}$ + $2^{2}$ + $2^{3}$ ...+ $2^{n}$ = $\frac{2^{n+1} }{2^-1} }$

Thus, total amoeba died = $2^{n+1}$ -1

total amoeba died+1 = $2^{n+1}$ (born).... hence prooved

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3 years ago

What is free nitrogen?

Marat540 [252]

Answer:

Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. ... So basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen

Explanation:

4 0

3 years ago

Read 2 more answers

Which of these minerals is a metal? A. Sulfur B. Gypsum C. Lead D. Halite

melamori03 [73]

the answer is Lead!

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4 years ago

Read 2 more answers

What water regulation adaptations might have evolved in protists in hypertonic habitats such as the Great Salt Lake?

kirill [66]

Answer:

Letter a) Protists would have less permeable membranes than those in hypotonic or Isotonic environments, wlowing less water to enter the coll. Also, they could possibly develop higher salt concentration within the cell to retain water.

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3 years ago