The fluid-mosaic model describes the plasma membrane of
animal cells. The plasma membrane that surrounds these cells has two
layers (a bilayer) of phospholipids (fats with phosphorous
attached), which at body temperature are like vegetable oil (fluid).
And the structure of the plasma membrane supports the old saying, “Oil
and water don’t mix.”
Each phospholipid molecule has a head that is attracted to water (hydrophilic: hydro = water; philic = loving) and a tail that repels water (hydrophobic: hydro = water; phobic
= fearing). Both layers of the plasma membrane have the hydrophilic
heads pointing toward the outside; the hydrophobic tails form the inside
of the bilayer.
Because cells reside in a watery solution (extracellular
fluid), and they contain a watery solution inside of them (cytoplasm),
the plasma membrane forms a circle around each cell so that the
water-loving heads are in contact with the fluid, and the water-fearing
tails are protected on the inside.
The answer is True.
When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)
They each have a specific function which is why they're called specialized cells.
Hope this help
Answer:
d. all of the offspring have medium length fur.
Explanation:
Incomplete dominance is a phenomenon in which offspring produce a trait that is intermediate between the two forms of a certain trait.
For example: In four o clock plant, some plants produce red flowers while some plants produce white flowers. When plants with red flowers are crossed with plants with white flowers, all the offspring have pink flowers.
Why is that so?
This is because no allele is completely dominant over the other and therefore both contribute their individual effect by producing intermediate phenotype.
Example in question:
Cross between a rabbit with short fur (SS) and a rabbit with long fur (LL)
P1: SS x LL
Gametes: S and L
Offspring SL :SL
SL: Medium length fur
Therefore this is a case of incomplete dominance.
Hope it help!
Answer:
Producers produce food for their own consumption as well as energy for the rest of the ecosystem. Producers include any green plant, such as a tree or grass, as well as algae and chemosynthetic bacteria. Consumers are organisms that require food to survive. Deer and rabbits, for example, are primary consumers who only eat producers.
The male part of flowers are
1 anther
2 filament
3 they both are collectively called Stamen
