Answer:
Option (a).
Explanation:
The botanist may be defined as the individual who does the complete study about the plants. The physical condition and environmental condition that affect the plants are studied by the botanist.
The botanist has expressed the potato plant in two different condition as explained in the question. AVR protein can cause the death of the plants. The mortality or death rate will be higher in those plants that are exposed to the oomycete species as this species will produce the large amount of protein that causes the mortality in plants.
Thus, the correct answer is option (a).
Answer:
What is this off of, can you give me more information so I can help you
Explanation:
In prophase 1:
Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.
In metaphase 1:
The pairs of chromosomes (bivalents) become arranged on the metaphase plate and are attached to the now fully formed meiotic spindle. The centrioles are at opposite poles of the cell.
Answer:
Thermosphere.
Explanation:
The Northern lights are located at the Thermosphere of the atmosphere. The Thermosphere is lies beyond 80 km above the mesopause. The properties of gases are not constant in this layer. temperature increase rapidly with the increase of height. There are number of ionic layers in this sphere. The layer called D disappears with the sunset as it associated with solar radiation.
