Which of the following statements about hormones are correct?

(a) hormones can be peptides, steroids, or amino acid derivatives.
(b) hormones can stimulate the synthesis of target proteins through the activation of specific genes.
(c) hormones can directly activate or inhibit enzymes through the action of signal molecules.
(d) hormones can increase the cellular uptake of metabolites.

prophase: we can observe the chromosomes to coil up and condense. they become visible. nuclear membrane and envelope disintigrate.s

metaphase: chromosomes align at the center, the metaphase plate. spindle fibers attach to centromeres of the sister chromatids. they meet at kinetochores.

anaphase: sister chromatids are pulled towards each opposing centromere, set on different poles.

telophase: chromosomes are now clustered up only on either sides of the cell. nuclear membranes reform, and a new cell wall forms along the cell plate. this will lead to cytokinesis, the process that divides the cell membrane and forms the cell wall.

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds