Biology, 28.10.2020 20:10 ariannapenny98
The diagram below represents a biological process. Which set of molecules is best represented by letters A and B?
Answers: 1
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 03:30
Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis
Answers: 1
Biology, 22.06.2019 07:00
In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -
Answers: 3
The diagram below represents a biological process. Which set of molecules is best represented by let...
Mathematics, 13.02.2020 04:29
Biology, 13.02.2020 04:29
Advanced Placement (AP), 13.02.2020 04:29
Mathematics, 13.02.2020 04:29
Social Studies, 13.02.2020 04:29
Mathematics, 13.02.2020 04:30
History, 13.02.2020 04:30