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Alla [95]
2 years ago
6

consists of a period of contraction during which the fiber pulls at its attachment, followed by a period of

Biology
1 answer:
Step2247 [10]2 years ago
3 0

Answer:

a muscle response

Explanation:

twitch, relaxation

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An important protein in the activation of the alternative pathway of complement activation is
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Answer:

The correct answer is Cb3 protein.

Explanation:

The alternative pathway of complement is the immune system's natural defense system against any infectious agent. It is one of the 3 complement pathways that kills and any pathogen that enters our body.  

The pathway is activated when Cb3 protein binds directly to the microbe.

Cb3 protein is found in abundant quantity in our plasma. It is available in the free form.

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Anton van Leeuwenhoek is a scientist who saw cells soon after Hooke did. He made use of a microscope containing improved lenses
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Which rays of the electromagnetic spectrum are responsible for causing sunburn when you spend too much time exposed at the beach
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Ultraviolet is <span>responsible for causing sunburn </span>
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3 years ago
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In a population of cats, the phenotypic frequency of black cats is 91%, and the phenotypic frequency of white cats is 9%. Assumi
Talja [164]

Answer:

1. Allele frequency of b = 0.09 (or 9%)

2. Allele frequency of B = 0.91 (0.91%)

3. Genotype frequency of BB = 0.8281 (or 82.81%)

4. Genotype frequency of Bb = 0.1638 (or 16.38%)

Explanation:

Given that:

p = the frequency of the dominant allele (represented here by B)  = 0.91

q = the frequency of the recessive allele (represented here by b)  = 0.09

For a population in genetic equilibrium:

p + q = 1.0 (The sum of the frequencies of both alleles is 100%.)

(p + q)^2 = 1

Therefore:

p^2 + 2pq + q^2 = 1

in which:  

p^2 = frequency of BB (homozygous dominant)

2pq = frequency of Bb (heterozygous)

q^2 = frequency of bb (homozygous recessive)

p^2 = 0.91^2 = 0.8281

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4 0
3 years ago
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