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saveliy_v [14]
2 years ago
12

Which of the following body systems' primary function is to help different

Biology
2 answers:
LuckyWell [14K]2 years ago
4 0
Cardiovascular system
ahrayia [7]2 years ago
3 0
Cardiovascular system
Helps deliver nutrition, hormones, etc.
give you energy
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Today’s beverage pasteurization processes are the result of this scientist’s work.
zzz [600]

Louis pasteur! he also invented principles of vaccination and more.

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3 years ago
A team of scientists mapped a forest where orangutans live in a national park
nalin [4]

Answer: A

Explanation:

A geographic information system (GIS) is a computer system for capturing, storing, checking, and displaying data related to positions on Earth’s surface.

8 0
2 years ago
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Why do resistant bacteria multiply faster after a patient has taken antibiotics compared to a healthy person who has not taken a
Alenkasestr [34]

Answer:

When patient takes in antibiotics the resistance bacteria gets a competitive survival advantage over the normal sensitive bacteria and hence grows faster.

Explanation:

  • Bacteria can acquire resistance by taking in plasmids containing MDR (Multi-Drug Resistance) gene cassettes. The MDR genes produces proteins that can:
  1. Render the antibiotic ineffective to act on its target by inducing chemical modifications on the drug.
  2. Promote efflux of the drug from the bacterial cell so that the drug cannot act upon its target.
  • When a healthy person ( having no prior exposure to the antibiotic) is infected by bacteria ( both sensitive and resistant varieties):
  1. A competition develops for the host cells and nutrients between the sensitive and the resistant variety.
  2. This mutual competition restricts either of the sensitive or resistant bacterial strain to grow profusely.
  • When a person (having prior antibiotic exposure), gets infected by bacteria ( both sensitive and resistant varieties) and is exposed to the same antibiotic:
  1. The sensitive variety, due to its sensitivity towards the drug, gets killed.
  2. The resistant variety, due to its MDR genes, bypasses the lethal effect of the drug and survives.
  3. These surviving resistant bacteria can now infect all the available host cells and utilise all the available nutrients without facing any competition and multiply rapidly.
4 0
3 years ago
You are studying a metabolic enzyme that is found in organisms living at extremely high temperatures and an acidic environment.
gulaghasi [49]

Answer:

Increasing the substrate concentration.

Explanation:

Increasing the substrate concentration can increase the rate of the reaction to a certain point. However, once all of the enzymes bounded to the substrate, any further addition of it will not be going to affect or increase the rate of the reaction at all, as all the enzymes will be saturated and working in their maximum rates.

3 0
2 years ago
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In your own words define what "Social Darwinism" is. How did this theory allow or promote imperialism?
Yuliya22 [10]
"Social Darwinism<span> is a modern name given to various theories of society that emerged in the United Kingdom, the United States, and Western Europe in the 1870's, and which are claimed to have applied biological concepts of natural selection and survival of the fittest to sociology and politics", so, in therory, it would allow AND promote imperialisim, as many people are not within the same level of society.</span>
7 0
3 years ago
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