Biology, 28.12.2019 11:31, tramqpham25
Why an energy pyramid in any ecosystem typically is limited to four or five levels only
Answers: 3
Biology, 22.06.2019 09:30, ssuereichard
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Biology, 22.06.2019 20:30, rjennis002
The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.
Answers: 2
Biology, 22.06.2019 22:30, patrickfutrell2537
Alaboratory investigation included examine prepared slides of pond water singled celled organisms with a nucleus and either cilia or flagella were visible these organism probably belong to the kingdom
Answers: 3
Why an energy pyramid in any ecosystem typically is limited to four or five levels only...
English, 13.11.2019 21:31
Biology, 13.11.2019 21:31
Social Studies, 13.11.2019 21:31
Health, 13.11.2019 21:31