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Galina-37 [17]
3 years ago
7

Write a three paragraph essay about AIDS. Include the following topics in your essay:

Biology
1 answer:
Colt1911 [192]3 years ago
3 0

Answer:

Look up how to do this on Wikipedia.

Explanation:

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"Antigenic Shift" is a characteristic of the causal agent of the Influenza. It is the result of a major change in the antigenic
gtnhenbr [62]

Answer:

True.

Explanation:

Antigen may be defined as the chemical that has the ability to evoke the  and immune response and can harm the living organisms. The specific antibody are produced against the immune response.

The antigens has evolved different mechanisms to prevent themselves from them the immune system of the host. The antigenic shift is the most common change that might occur in viruses that helps the antigen to protect itself by changing its genetic material. No anti viral drugs are available for the viruses.

Thus, the answer is true.

4 0
3 years ago
What are the possible genotypes and phenotypes of the offspring: both parents have achondroplasia (they are heterozygous) and ar
Phantasy [73]

Answer: njnjnjnjinjinjnjinjinjnjnjnjnjnj

4 0
3 years ago
When we say that an individual organism has a greater fitness than another individual, we specifically mean that the organism Gr
Reil [10]

Answer:

leaves more viable offspring than others of its species

Explanation:

Greater fitness is being conferred on an individual organism compared to the other individual member of a species population if that individual does not only just competes favorably for the limited resources available than the rest individuals, but is in fact able to reproduce more rapidly and thereby pass on such favorable traits, which makes them better competitors, to as many of their offspring as possible. Over time, you will find most of the offspring they leave behind more common in the population than the other.

If an individual organism is referred to as having a greater fitness compared to another individual of the same species, what it simply means is that the organism <em>leaves more viable offspring than others of its species</em>.

3 0
3 years ago
How do animals get nitrogen?
kompoz [17]

Animals get the nitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use.

4 0
3 years ago
2. A barrel floats down a river past two flags that are 100 meters apart. The time it took for the barrel to pass each flag is s
Mrrafil [7]

The speed of barrel is 3.6 m/s when moving from one flag to another.

For calculating the speed of the barrel from one flag to another, we used the formula of speed which is speed= distance / time. We know that the distance between two flags is 100 meters.

The time taken by the barrel from one flag to another flag is 28 seconds i.e. subtracting 2:43 from 2:15 we get 28 seconds. By putting the value of distance and time in the formula of speed we get 3.6m/s so we can conclude that the speed of barrel is 3.6 m/s when moving from one flag to another.

Learn more about speed here: brainly.com/question/10113134

Learn more: brainly.com/question/26095829

4 0
3 years ago
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