Biology, 23.03.2021 07:40 bmartinez26
Gigi was trying to classify an animal as a mammal. What would be the best characteristic of a mammal? A. having lungs to breathe B. giving birth to live young C. giving milk to its young D. having an endoskeleton
Answers: 1
Biology, 21.06.2019 19:00
Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles
Answers: 1
Biology, 22.06.2019 04:30
What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an
Answers: 2
Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
Answers: 1
Gigi was trying to classify an animal as a mammal. What would be the best characteristic of a mammal...
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