Answer:
Connect the centromere to microtubules. (Option A)
Explanation:
The kinetochore is known as the complex of protein which is disc shape in structure. The structure of kinetochore is divided into three parts: inner region, outer region, and fibrous corona. Each part of the kinetochore works in its own way in the separation of the sister chromatids.
During the process of cell division (mitosis, and meiosis) kinetochore collects on the centromere and allows the chromosome to link with microtubules.
Answer:
water covering earth surface is 71 percent. e 97 percent. frozen freshwater less than 1 percent
Explanation:
ok
Answer:
Explanation:
13 is products and for 14 i cant see the whole diagram
Some Lampreys are anadromous from their lake and they migrate up rivers to spawn.
Explanation:
If the adult fish live in the sea and migrate into fresh water to spawn is known as anadromous and if the adult fish live in fresh water and migrate into salt water to spawn is known as catadromous.
An anadromous fish like salmon, smelt,shad spends most of their life in the sea and returns to fresh water to spawn. A catadromous fish like eels lives in fresh water and enters salt water to spawn.
Sea lamprey brings nutrients into fresh water and provide a source of food for various birds, fish, mammals and people. The newly transformed lamprey can live only for few months in fresh water .
The females deposit a large number of eggs in nest made by males in the streams with strong current. Spawning is done by death of the adults
The natural spreading of particles through a liquid or gas is called diffusion
