The distribution of melanosomes in cells is tightly regulated in animals that rapidly change color. dark-colored cells have melanosomes scattered throughout the cytoplasm while light-colored cells have them aggregated near the nucleus. how could cells use microtubules and motor proteins to change the distribution of melanosomes? select all that apply. a) the melanosomes move along microtubule tracks using motor proteins. b) microtubules originate near the nucleus of animal cells, and the positive ends project outward. c) dynein would be responsible for moving melanosomes outward to generate dark-colored cells. d) kinesin would be responsible for moving melanosomes outward to generate dark-colored cells. e) microtubules originate near the cell wall of animal cells, and the positive ends project outward. f) kinesin would be used for moving melanosomes back to the nucleus in light-colored cells.

The correct answers are:

A)The melanosomes move along microtubule tracks using motor proteins.

B) Microtubules originate near the nucleus of animal cells, and the positive ends project outward.

C) Dynein would be used for moving melanosomes back to the nucleus in light-colored cells.

D) Kinesin would be responsible for moving melanosomes outward to generate dark-colored cells.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.