Innate immunity includes all of the following EXCEPT

Biology

1 answer:

liraira [26]3 years ago

5 0

All except activation of complement.

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The wrist is more ___ than the hand.<br> A( distal<br> B( proximal<br> C( lateral<br> D( medial

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Which of the following characteristics would be seen in a dinoflagellate, but not in an apple tree? a. multicellular c. producer

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The correct answer is B. unicellular.
Dinoflagellates are unicellular or multicellular, producers, and autotrophs, and apple trees are multicellular, producers, and autotrophs. All plants have numerous cells in them, so they can never be unicellular. The remaining characteristics they share with less complex organisms such as dinoflagellates.

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Attached earlobes are a recessive trait. If earlobes are indicated with the letter E, what would the proper genotype be for a pe

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777dan777 [17]

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Using a geometric growth model to predict population growth, a population of 10 individuals at time zero with a finite growth ra

Grace [21]

Answer: Option E, in 12 years.

Explanation:

A geometric growth model is characterized by its finite growth rate, known as lambda. The size of the population after a unit of time has passed can be calculated using the last known size and lamba as:

$N_{t+1} = \lambda * N_t$

Starting from the initial value of population, the next one will be calculated multiplying by 1.4, and the next one multiplying again by 1.4, thus we can define a function that relates the time passed in year to the size of the population:

$N(t) = \lambda^{t} *N_0$

Substituting our values we get the function that defines the growth of our poupulation:

$N(t) = 1.4^{t} *10$

Then, we just have to clear the t that gives a population of 500:

$500 = 1.4^t*10, divide\ both\ sides\ by\ 10\\50 = 1.4^t, apply\ log_{1.4}(x)\ to\ both\ sides\\log_{1.4}(50)=t\\11.63=t$

Thus, at 12 years, the population will be greater than 500.

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3 years ago