During signal transduction A. a signaling molecule directly activates or represses some genes. B. enzymes in the signal cascade remain active until the last component of the pathway alters a cellular process C. the signal is terminated by cAMP D. each enzyme catalyzes production of one molecule of product E. the cell converts an extracellular signal into an intracellular signal that leads to a change in some cell process

answer; ///i believe the answer your looking for is (ribosomes);

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem

its temperature is increasing. this causes molecular vibrations to increase.

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'