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Ksenya-84 [330]
2 years ago
5

1.)Suggest why slow skeletal muscle fibres are small in diameter. 2.)The toxin curare was discovered in South America, where it

was used to tip poison darts. It works by competing with acetylcholine for the receptors on the postsynaptic membrane. Predict the effect of curare on muscular contraction. Explain your answer.
Biology
1 answer:
ryzh [129]2 years ago
7 0

Answer:

1, to strengthen the bone

2, I would say it causes them to tense up (contract)

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Complement proteins and antibodies coat a microorganism and provide binding sites, enabling macrophages and neutrophils to phago
Alexandra [31]
<h2>Opsonization Process</h2>

Explanation:

  • Opsonization is right answer
  • Antibodies coat a microorganism and Complement proteins provide binding sites, neutrophils  and enabling macrophages to phagocytize the organism.This phenomenon is termed <u>opsonization</u>
  • Opsonization (likewise, opsonization) is the sub-atomic system such as <em>organisms, or apoptotic cells and molecules</em> are chemically modified to have a more stronger attraction for the cell surface <em>receptors on NK cells and phagocytes </em>With the antigen-covered in opsonins, binding to immune cells is greatly enhanced
  • Opsonization occurs through the connection of an opsonin to an epitope of the pathogen or dead cells
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3 years ago
Based on your readings about Bt corn, express your opinion about whether or not farmers should continue planting Bt corn. Explai
miss Akunina [59]
Farmers should discontinue the use of Bt corn (genetically modified maize)as their negative affects on the health of the consumers have not been fully over ruled by the recent research. In my opinion, genetically modified crops, although, are resistant to various pests, should not be encouraged because of the toxic chemical contents used during their production. There's a strong likelihood of these toxic chemicals entering our food chain and also being harmful to other naturally growing plants, hence there's a need for more research before this idea is pursued.
7 0
2 years ago
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Which question is testable?
Nuetrik [128]

The correct answer is: A. How does changing the amount of water affect the growth of corn?

While options B, C & D are not impossible to test, option A is the only question that can be tested using quantitative methods, such as statistical analysis. The question in option A states: "How does changing the amount of water affect the growth of corn?". This question is easily testable using scientific investigation, because controlled or measured amounts of water can be added to corn, and the consequent growth rate of corn can be easily measured and recorded. However, the questions in options B, C & D cannot be precisely measured using quantitative tools, since they aim to measure qualitative (subjective) factors, such as: ethics, happiness and disappointment.

5 0
3 years ago
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Which of the following climographs (City A or City B) represents a desert location? How do you know?
kondaur [170]

Answer:

City A

Explanation:

The temperatures are very high, but the amount of precipitation is very low. In city B, the amount of precipitation is high, meaning that it is not a desert.

3 0
3 years ago
What problems are experienced by fresh water and marine fish in there habitats and how they overcome it
stich3 [128]

ANSWER:

Problem faced include; habitat loss and degradation, disease outbreak, invasive species, pollution, over‐exploitation/overfishing, climate change etc.

EXPLANATION:

Problem:

Habitat loss and degradation, disease outbreak, invasive species, pollution, over‐exploitation/overfishing, and climate change are notable problems experienced by freshwater and marine fishes.

Solution:

Anthropogenic activities and stressors that rapidly threaten freshwater and marine fishes are curbed through legislation and other means to prevent extinction of fishes.

Through conservation programs that plans for individual species to more species of entire faunas of a particular location also boost population size and prevent hunting of threatened or endangered species in both realms.

Overtime, genetically modified fishes which can develop resistance to diseases are introduced to the realm.

Moreso, waste channels through which pollutants gets into the water bodies are well-treated for safety of fishes.

3 0
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