Answers: 2
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 22:10
Which describes a group of organisms that is considered a species
Answers: 3
Biology, 22.06.2019 23:00
In the california poppy, an allele for yellow flowers (c) is dominant over an allele forwhite flowers (c). at an independently assorting locus, an allele for entire petals (f) isdominant over an allele for fringed petals (f ). a plant that is homozygous for yellow andentire petals is crossed with a plant that is white and fringed. a resulting f1 plant is thencrossed with a plant that is white and fringed, and the following progeny are produced: 54 yellow and entire; 58 yellow and fringed, 53 white and entire, and 10 white andfringed. using the chi-square test, what would the probability value (p-value) be?
Answers: 2
Biology, 22.06.2019 23:30
Why is hemophilia more common in males than in females? a.hemophilia is more common in females b.affected males only need to inherit one copy of the allele c.hemophilia affects only males
Answers: 2
How do urea and mercaptoethanol effect ribonuclease?...
Mathematics, 23.03.2020 17:09
History, 23.03.2020 17:09
Mathematics, 23.03.2020 17:09
History, 23.03.2020 17:10