Ans.
Animals are multicellular, eukaryotic organisms that belong to domain eukarya. They have cells with membrane-bound cell organelles, such as mitochondria, endoplasmic reticulum, nucleus, Golgi body, and lysosomes. In these organisms, genetic material is present inside the nucleus (known as true nucleus), which is surrounded by double-membrane system.
Thus, the correct options are:
-They contain a nucleus.
-They are eukaryotic.
-They contain membrane-bound organelles.
The answer for this question is the second one so b or 2
Answer:
Plant cell seems less affected by the changes in solute concentration due to presence of cell wall.
Explanation:
The principle difference between plant cell and animal cell is that plant cell contain cell wall but animal cell does not.
The presence of cell wall prevent the osmotic lysis of the cell when the cell is kept in a hypotonic solution.
In case of plants the solute concentration of cytosol is greater than that of extracellular matrix.The entry of water inside the plant cell increases the turgor pressure that pushes both cytosol and plasma membrane against the rigid cell wall.
The rock layer on the bottom will decompose and either turn to sand, gravel, or blend in with the dirt (but most likely not the last one).
Answer:
<h2>4/9</h2>
Explanation:
Given;
As given, probability of obtaining a male is = 2/3;
sexes of each individual are independent.
Probability of obtaining two males in cluster of three is;
2/3* 2/3= 4/9
So the probability of obtaining two males in cluster of three is= 4/9
There are three ways of calculation.
