Biology, 22.10.2020 16:01 issagirl05
Un niño que ha enfermado de paperas o varicela, no desarrollará estas
enfermedades en una segunda oportunidad, porque:
I. la piel, mucosas y lágrimas impiden el ingreso de los microbios.
II. en el primer contacto adquirió anticuerpos.
III. interviene la inmunidad Adaptativa, la cual presenta "memoria".
IV. su sistema defensivo está preparado frente a una segunda exposición
a. I y II son correctas
b. III y IV son correctas
c. II, III y IV son correctas
d. I, II y III son correctas.
Answers: 2
Biology, 22.06.2019 01:30, vetterk1400
Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.
Answers: 1
Biology, 22.06.2019 10:30, imalexiscv
Coral have a symbiotic relationship with what in order to eat?
Answers: 2
Biology, 22.06.2019 13:00, NotYourStudent
What is the one part of the nucleotide that differs among the other different nucle tides?
Answers: 1
Biology, 22.06.2019 14:00, chloejaylevesque
Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear
Answers: 1
Un niño que ha enfermado de paperas o varicela, no desarrollará estas
enfermedades en una segunda o...