Answer:
D.
They have a positive charge and are present in the nucleus of an atom along with the neutrons.
Explanation:
Protons have a positive charge.
Answer:
Phenotypic plasticity in yeast cells is beneficial because this allows the yeast to change its phenotype of being a male or female. This plasticity depends on the type of pheromone exposure. The ability to change phenotype increases the reproductive success of yeast cells. This condition is useful for yeast, especially if they must adapt to changes affecting their reproduction and survival. By having phenotypic plasticity, the yeast can continue to grow its population size.
Answer:
Option C is the right choice.
Explanation:
The person's genome.
Honestly I believe its C. there isn't too many trees, there is a large enough number of rabbits, and there is a small amount of squirrels. Just enough to represent diversity in a small community.
Answer: Option B
Explanation:
The umbilical cord is the flexible structure connecting a foetus with the placenta; which transports nourishment (oxygen, glucose, drugs) to the foetus and removes waste (blood rich in carbon dioxide and depleted in nutrients).
Also the umbilical vein is a vein present in the cord that carries oxygenated blood from the placenta to the growing fetus .
Note: Options A, C and D are inaccurate
