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o-na [289]
3 years ago
11

When the body overreacts to relatively harmless antigens by developing an overly elaborate protective mechanism, we call this re

sponse a(n)?
Biology
1 answer:
andrew11 [14]3 years ago
3 0
It is called Hypersensitivity
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What is solid waste produced by a sewage-treatment plant is called
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sludge

<span>Sewage treatment is also known as wastewater treatment. It is a process whereby contaminant is removed from wastewater. Thus, chemical, biological and physical process are commonly used to remove contaminants from wastewater and the by-products of wastewater treatment is usually inform of solid waste known as sewage sludge.</span>

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What are 3 to 4 characteristics that make animals different from other organisms such as plants?
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Why are G protein only found in Eukaryote cell ?
Levart [38]

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they bind to protein-coupled transmembrane receptors with higher complexity than those found in prokaryotes

Explanation:

G-proteins are proteins found inside the cells that function as molecular switches which are activated by binding to guanosine triphosphate (GTP), while they are inactive by binding to guanosine diphosphate (GDP). The G-proteins bind to G-protein-coupled transmembrane receptors (GPCRs) in the cytoplasmic region. The GPCRs are a very diverse group of proteins that are activated by extracellular molecules ranging from small peptides to large proteins, including pheromones, neurotransmitters, light-sensitive compounds, etc, thereby allowing them to respond to diverse stimuli from the extracellular environment. In consequence, it is reasonable to suppose that the signaling pathways in which G proteins are involved have a higher complexity level than those observed in primitive prokaryotic organisms.

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3 years ago
Briefly explain what happened in this permeability exercise.
damaskus [11]

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The reaction of iodine and starch turns the solution blue

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3 years ago
In a population of Mendel's garden peas, the frequency of the dominant A (yellow flower) allele is 80%. Let p represent the freq
DENIUS [597]

Answer:

If the frequency of the dominant allele in the pea population is 0.8, the genotype frequencies in the population would be 0.64 AA, 0.32 Aa, and 0.04 aa.

Explanation:

Hardy-Weinberg equation tells us that:

p2 + 2pq + q2

p2 is the frequency of AA plants

2pq is the frequency of Aa plants, and

q2 the frequency of aa individuals.

A allele in the population is 80%, the frequency is 0.8.

p represent the frequency of A allele. p is 0.8

Therefore calculating for q ( frequency of a allele).

p + q = 1.0

q = 1.0 − p

q = 1.0 − 0.8

q = 0.2

p = 0.8, q = 0.2.

Now we can calculate the predicted frequencies of the different genotypes, remembering that p2 is the frequency of the AA genotype, 2pq is the frequency of the Aa genotype, and q2 the frequency of aa genotype.

p2 = 0.8 x 0.8 = 0.64

2pq = 2 x 0.8 x 0.2 = 0.32

q2 = 0.2 x 0.2 = 0.04.

Thus, we would expect to see genotype frequencies of 0.64 AA, 0.32 Aa, and 0.04 aa in the pea plants.

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