3 years ago

Explain how the process of diffusion works in a cell membrane

2 answers:

6 0

Small molecules and nonpolar molecules are the ones that can move most easily across the lipid bilayer and enter the cell. Diffusion is the process that causes these molecules to move in or out of the cell. At this point the rate at which individual molecules enter and leave will be equal.

Deffense [45]3 years ago

3 0

I think it is be division

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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

The heart is made up of the left and right ________________ and the left and right _______________________________.

tatuchka [14]

A. Atria and ventricles

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Which hormone enables contractions associated with birthing and milk flow during nursing?

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A.) oxytocin

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Someone please answer this question, just one 1 question

Igoryamba

Sorry but I can’t do that I have a I pad with a broken leg

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When observing a bird skin cell in g2 under a microscope, you count 160 total chromatids. how many chromosomes does a male chick

zloy xaker [14]

When a cell is in G2 phase, it has already doubled in S phase its DNA, meaning that for each chromosome we have two chromatids -> 2n(number of chromosomes)×2(number of chromatids per chromosome)=number of chromatids.
If 160 is the number of chromatids on G2 phase of a chicken cell, it means that the cell has 80 chromosomes (2n), and after meiosis, process to form a sperm cell, will only have 40 chromosomes (n).

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3 years ago