Which process must occur before mitosis and meiosis can occur? question 3 options: dna transcription dna replication dna conjugation

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers

Many humans consume both plants and animals. these humans are considered to be which of the following? herbivores carnivores omnivores