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yulyashka [42]
3 years ago
14

Pandemic:__________

Biology
1 answer:
Serga [27]3 years ago
5 0

Answer:

Option a) a disease that affects a large number of people in the world in a short time endemic.

Explanation:

The pandemic disease is an kind of epidemic disease. The epidemic affects large number of people. The pandemic spreads over large areas and across the world. The pandemic is not endemic that is stable and confined to particular area.

The infectious disease are considered as pandemic as such disease can spread and affect a large number of individuals. The HIV-AIDS is a great example of pandemic disease. Thus, pandemic is a disease that affects a large number of people in the world in a short time.

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Are substances able to travel against their concentration gradient
wlad13 [49]
Yes. This is active transportation, which means it needs ATP to travel low to high concentrations. An example is the Sodium-Potassium pump
7 0
4 years ago
What invention in the 1400’s revolutionized the way knowledge could be spread?
Neporo4naja [7]

Movable-type printing was the invention in the 1400’s revolutionized the way knowledge could be spread.

<h3>What is Movable-type printing?</h3>

This type of printing involves the use of movable components to reproduce elements and letters on paper.

This was adopted by churches through printing of bible and other religious materials and led to the protestant reformation in the 1400s

Read more about Printing here brainly.com/question/12336191

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5 0
2 years ago
Take a hypothetical bowl and add some water and some cooking oil and let the mixture settle. As you know, the mixture will separ
bazaltina [42]

Answer:

Phospholipid is the molecules that are amphipathic in nature means the molecule has both hydrophobic as well as hydrophilic regions. The phospholipids are the important constituent of the plasma membrane.

The water and oil gets separate when mix together. If the phospholipid is mixed with the oil and water solution than the oil part is mixed with the hydrophobic part and water will mix with the hydrophilic parts. They can form micelles together.

7 0
4 years ago
When doing medical research with human subjects,which four limitaions are unavoidable
Illusion [34]

Answer:

There are ethical or privacy concerns to consider.

Explanation:

Human subject research is a systematic, scientific investigation that can be either interventional, a trial research or observational (test).

It is necessary to follow the Nuremberg code (1948) and have a voluntary informed consent, the research should be based on previous good results, on prior research, physical or psychological injury and harm should be avoided, benefits should outweigh risks, proper experience of a researcher is needed, right to withdraw consent, and research must stop if harm is arising.

In 1964, a guideline for medical doctors in biomedical research has been established by WMA (The World Medical Association). Helsinki declaration stated the ethical principles involving human subjects that was adopted.

In, 1982  International Ethical Guidelines for Biomedical Research Involving Human Subjects by the World Health Organization (WHO) and Council for International Organizations of Medical Sciences (CIOMS) has been established.  

According to Guidelines (2002) ethical justification and scientific validity of research, ethical review, informed consent, vulnerability ¬ of individuals, groups, communities and populations, women as research subjects, equity regarding burdens and benefits, choice of control in clinical trials, confidentiality, compensation for injury, strengthening of national or local capacity for ethical review, and obligations of sponsors to provide health-care services are outlined.

There are 4 most important principles of ethics such as autonomy, beneficence, non-malfeasance and justice.

Ethical Review Board (ERB) is a committee that has been formally designated to approve, monitor, and review biomedical and behavioural research involving humans. It aims to protect the rights and welfare of the research subjects.  The ERB must have at least five members. The members must have enough experience, expertise, and diversity. If the ERB works with studies that include vulnerable populations, the ERB should have members who are familiar with these groups. The ERB must include at least one person who is not affiliated with the institution or in the immediate family of a person affiliated with the institution.  ERB members may not vote on their projects. The ERB may include consultants in their discussions to meet requirements for expertise or diversity, but only actual ERB members may vote.

4 0
3 years ago
Describe the three chemical changes that occur during the light-dependent reactions.
Mekhanik [1.2K]

Answer:

  1. it uses light energy to make two molecules needed for the next stage of photosynthesis
  2. light energy is captured by plant,it then converted to chemical energy.

Explanation:

, I

8 0
4 years ago
Read 2 more answers
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