<span>Cilia, flagella, and centrioles. Cilia and flagella are projections from the outside of the cell. They are made up of microtubules and are covered by an extension of the plasma membrane. They are motile, meaning that they are mobile, and designed either to move the cell itself or to move substances over or around the cell.</span>
Volcano eruptions, hurricanes, and forest fires are all examples of natural disturbances which can lead to succession.
<span>The correct answer is
(a) True, it is of paramount importance to use primary, secondary, and tertiary
sources in research. Researching includes using primary sources as they contain
original materials on which research is based, but also using second sources as
interpretations and evaluations as other researcher’s point of view. That also
apply for tertiary sources that
represent distillated and collected information of primary and secondary
sources.</span>
Answer:
DBCA
Explanation:
Here is the normal order of events:
Order 1.
d. Activation of adenylyl cyclase
Order 2
b. Binding of cAMP to PKA
Order 3
c. Dissociation of PKA into catalytic and regulatory subunits
Order 4
a. binding of CREB to PKA ... 4
Answer:
Presence of chloroplast in plant cells
Explanation:
Chloroplast is an organelle found in the cytoplasm of plant cells, and helps in photosynthesis, by providing a site for trapping sun light which is used to produce food. Hence, plants are producers due to the presence of chloroplast while animals lack chloroplasts, so unable to produce their own food.
Thus, the presence of chloroplast in plant cells make it different from animal cells
