Nucleosomes are
-"spool-like" structures around which dna is wrapped 1.65 times
-made up of rna-protein complexes
-the organelles at which proteins are made in the cell
-the molecular machinery within the nucleus that carries out transcription of nuclear genes
-the regions within bacteria containing genomic dna

Which of the following systems in absorbing oxygen and releases carbon dioxide

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.