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soldier1979 [14.2K]
4 years ago
6

Describe cytokinesis in plants and animals. In animals: In plants: -

Chemistry
2 answers:
defon4 years ago
8 0
Cytokinesis is the division of a cell at the end of mitosis, bringing about the separation into 2 daughter cells.
In animals, cytokinesis occurs when a cleavage furrow forms.
In plants, cytokinesis occurs when a cell wall forms in between the daughter cells.
A cleavage furrow is the indentation of the cell's surface.
Hope this helps ;)
SVETLANKA909090 [29]4 years ago
3 0
Explanation:
Cytokinesis occurs in mitosis and meiosis for both plant and animal cells. The ultimate objective is to divide the parent cell into daughter cells.


In plants , this occurs when a cell wall forms in between the daughter cells.This extracellular structure is responsible for helping give plants their form, and must be established when a cell divides. To do this, plants use microtubule spindle structures knowns as phragmoplasts.

In animals , this occurs when a cleavage furrow forms. This pinches the cell in half. The final process of cytokinesis in animal cells is abscission.

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Camphor is a ketone compound and is one of the active ingredients in vicks products. if camphor has m+ = 152 and contains 1 doub
nordsb [41]

Answer:

           C₁₀H₁₆O

Explanation:

                   Molecular formula can be determined from parent peak by using rule of thirteen.

Rule of Thirteen:

First divide the parent peak value by 13 as,

                 = 152 ÷ 13

                 = 11.69

Now, multiply 13 by 11,

                 = 13 × 11 (here, 11 specifies number of carbon atoms)

                 = 143

Now subtract 143 from 152,

                 = 152 - 143

                 = 9

Add 9 into 11,

                 = 9 + 11

                 = 20 (hydrogen atoms)

So, the rough formula we have is,

                                                        C₁₁H₂₀

Now, add one Oxygen atom to above formula and subtract one Carbon and 4 Hydrogen atoms as these numbers are equal to atomic mass of Oxygen atom as,

                 C₁₁H₂₀   -------O-------->    C₁₀H₁₆O

Calculate Hydrogen deficiency index as,

                 HDI  =  (2x + 2 - y) / 2

where,

x = C atoms

y = H atoms

                 HDI  =  [2(10) + 2 - 16] / 2

                 HDI  =  (20 + 2 - 16) / 2

                 HDI  =  (22-16) / 2

                 HDI  =  6 / 2

                 HDI  =  3

It means, Camphor contains 1 double bond and two rings. As, HDI of double bond is 1 and HDI of one ring is 1.

7 0
4 years ago
3.0 L of a gas has a temperature of 78 C find the volume of the gas at standard temperature
jeka57 [31]

Answer:

= 2.33 L

Explanation:

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V1 = 3.0 L

T1 = 78 + 273

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At s.t.p the temperature is 273 K and pressure is 1 atm.

V2 = ?

T2 = 273 K

V2 = V1T2/T1

    = (3.0 ×273)/351

    = 2.33 L

Explanation:

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4 0
3 years ago
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