<span>When a cell is in a dynamic equilibrium with its environment, this means that the salt/water concentration inside the cell is equal to the salt/water concentration outside the cell. It is called an equilibrium because no transport of molecules is needed since the concentrations are already the same.</span>
The limitation is that she can't test is on humans for ethical reasons. In order to test this, theoretically, she would need to ask some women to use this cosmetic and compare their fetuses to the fetuses of women who didn't. But this is not likely to be approved by the ethical committee, as causing damage to a fetus is not ethical.
No, they actually have a bit of food stored up in the seed. If you look at a bean, you will find that there is some extra substance in it. That is the energy it uses to start growing its roots and stem.
I hope this helps!
~cupcake
So the cells can react to the changes, and so that specialized cells can perform certain functions
Answer:
Mitosis: 2
Meiosis
Oogenesis: 1
Spermatogenesis: 4
Explanation:
Spermatogenesis
https://youtu.be/d5cQreR9h20
Oogenesis: Meiosis in Females, Part 1 of 2, Part 2 of 2, from Thinkwell's Video Biology Course
https://youtu.be/VPezOuOnq1g
https://youtu.be/pK7qjcgIox0
