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Simora [160]
3 years ago
14

Which is the immediate effect of being infected by last season's flu virus? A. get the last season's flu virus B. receive this s

eason's flu vaccine C. Immune to last season's flu virus D. Produce antibodies that attach to this season's flu virus.
Biology
2 answers:
Ilia_Sergeevich [38]3 years ago
8 0

Answer:

probley

Explanation:

A. get the last season's flu virus

or

C. Immune to last season's flu virus

lubasha [3.4K]3 years ago
3 0
The answer would be C: immune to last season’s flu virus this would be that your immune system has already created anti bodies getting rid of the last season’s flu once the immune system has defeated a infiltrator it would create memory cells to be able to create the required anti bodies next time an invader like this would attack your immune system
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You are given a 1 liter bacterial culture in exponential stage of growth. The generation time of the bacteria is known to be 30
nydimaria [60]

Answer:

Option-A

Explanation:

A bacteria divides by binary fission which divides a parent bacteria into the two daughter cells and generation time refers to the average time difference between two consecutive generations.

The bacterial cell grows by the exponential function that is by 2^{number of generation} x initial population of bacteria.

In the given question,

<u>Initial population</u>

the initial population of bacteria - 2x 10³ per ml

So per liter, the bacterial population will be 2 x 10 ⁶

<u>Generation time</u>

1 generation time of bacteria is 30 min.

so 5 hours will have- <u> </u>\frac{300}{30}= 10 generations

<u>New bacterial population</u>

Using formula<u>  </u>2^{number of generation} x initial population of bacteria

2^{10} x (2 x 10⁶)

= 1048 x (2 x 10⁶)

2048 x 10⁶

Thus, Option-A is the correct answer.

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