O que são espículas virais? A) sao estruturas de defesa dos virus.
B) sao estruturas de reconhecimento e fixação na celula hospedeira.
C) sao estruturas de comunicação entre os virus.
D) sao estruturas que servem para furar e destruir a célula hospedeira.
E) sao estruturas de proteína que formam s anticorpos dos virus.

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality