lildondon18 lildondon18

23-04-2021
Biology

contestada

Viruses change at a very fast rate Can you use this information to explain why vaccines against a specific virus don't last forever ?

Respuesta :

johnsmith1241563 johnsmith1241563

06-05-2021

Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.

Answer Link

Otras preguntas

What part of the Authorization Package provided to the Authorizing Official, or Designated Representative shows measures planned to correct weaknesses or defici

Choose the correct problem for the fraction 7/8 .

Why are bedridden clients at a higher risk for developing urinary retention and urinary tract infections (UTIs)?

The actual bacterium causes the development of the symptoms seen in TSS.Choose:A.TrueB. False

Which of the following areas is the part of the cerebral cortex that is largely responsible for the body's voluntary movement? a. the sensory area b. the motor

In this quote, Bierce compares authors' thoughts to horses. He says that some authors' thoughts are like a horse that is tied up, while others' thoughts are lik

What is the pH of a solution containing 0.5 M ( H₃O⁺ ) and 0.10 M ( H₂O ) with ( Kₐ ) of ( HA = 1.67 × 10⁻14 )? a. 3.0 b. 4.0 c. 5.0 d. 6.0

Which of the following is true of CD4 T cells?A) They become plasma cells.B) They become cytotoxic T cells.C) They become T helper cells.D) They become antigen-

How did the Korean War contribute to the emergence of the policy of containment in the U.S. foreign relations?A. It reinforced the idea of containing the spread

Which of the following was not a stage of NASA's plan to put the first person on the moon? a) The Orion Program b) The Apollo Program c) The Mercury Program d)