Answers: 2
Biology, 21.06.2019 17:20
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
Answers: 1
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 08:10
Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?
Answers: 2
Biology, 22.06.2019 08:30
What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
Answers: 1
Which gas is realese during respiration ?...
Mathematics, 07.10.2019 12:00
Mathematics, 07.10.2019 12:00
Mathematics, 07.10.2019 12:00
Mathematics, 07.10.2019 12:00
Mathematics, 07.10.2019 12:00
Mathematics, 07.10.2019 12:00
Computers and Technology, 07.10.2019 12:00
English, 07.10.2019 12:00
History, 07.10.2019 12:00
History, 07.10.2019 12:00
Mathematics, 07.10.2019 12:00
Physics, 07.10.2019 12:10
Chemistry, 07.10.2019 12:10