Question 1 is nucleolus and other chromatins (chromosomes), nuclear bodies, nuclear matrix, nucleoplasm, and nuclear envelope. Question 2 is Lysosomes are membrane-bound organelles found in every eukaryotic cell. They are widely known as terminal catabolic stations that rid cells of waste products and scavenge metabolic building blocks that sustain essential biosynthetic reactions during starvation.
B. some species die out when environmental changes occur
One theory that is most used in the Emergency room is Faye's Abdellah's theory. It defines nursing as a service to an individual as well as to the families and society. It identifies 21 nursing problems that would guide the nurse as to the prioritization of the client's needs.
Answer;
-A motor protein called dynein
Cilia and flagella bend because of a motor protein called dynein.
Explanation;
-Both prokaryotic and eukaryotic cells contain structures known as cilia and flagella. These extensions from the cell surface aid in cell movement. They also help to move substances around cells and direct the flow of substances along tracts.
-Cilia and flagella are formed from specialized groupings of microtubules called basal bodies. If the protrusions are short and numerous they are termed cilia. If they are longer and less numerous they are termed flagella.