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lions [1.4K]
3 years ago
13

Why are chromosomes visible under a microscope during cell division

Biology
1 answer:
abruzzese [7]3 years ago
7 0
Chromosomes are visible under the microscope during cell division, as because the chromatin has condensed and essentially the DNA with numerous histone proteins wrapped around and folded again and again to produce thick structures of chromosomes during prophase. The DNA replicated will condense and or wrap and fold to produce these thick structures.
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What causes an ionic bond?
Keith_Richards [23]

Answer:

B

Explanation:

An ionic bond is formed when an atom usually metallic, loses an electron to become positively charged and another atom usually non-metallic, gains such electron lost and becomes negatively charged..

3 0
3 years ago
An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab. A p
malfutka [58]

An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab. Preparation of the laboratory-grown microbe is treated with a lethal dose of ionizing radiation and then tested for its potential as a vaccine and this is  Inactivated type of Vaccine.

<h3>What exactly are pathogens?</h3>

Pathogens include viruses, bacteria, fungi, and parasites that can enter the body and harm the immune system. Among many additional viruses that can lead to serious illnesses are anthrax, HIV, the Epstein-Barr virus, and the Zika virus.

<h3>What is vaccination?</h3>

An easy, secure, and reliable method of preventing hazardous infections before you are exposed to them is vaccination. It boosts your immune system and builds up your body's natural defenses against particular infections.

<h3>Inactivated vaccine:</h3>

In inactivated immunizations, the disease-causing microorganism is eliminated.

Inactivated vaccines typically don't provide as strong of immunity (protection) as live vaccines. Therefore, it can take several doses (booster injections) throughout time to keep up your resistance to diseases.

Using inactivated vaccinations, you can guard against

  • Flu
  • Hepatitis A
  • Polio
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Learn more about Vaccines here:-

brainly.com/question/27189850

#SPJ4

3 0
2 years ago
true or false Plants appear green because the pigment chlorophyll absorbs and uses other colors of light but reflects green.
luda_lava [24]

Answer:

true

Explanation:

Plants appear green because they contain a pigment called chlorophyll. Chlorophyll absorbs lights; however, the green light is not absorbed but reflected, making the plant appear green.

7 0
3 years ago
Read 2 more answers
Match the receptor to the place it is most commonly found on an animal's body. 1. chemoreceptors skin 2. mechanoreceptors nose 3
allochka39001 [22]
The photoreceptors would be your eyes, chemoreceptors skin, olfactory for nose and mechanoreceptors for obviously tongue hope this helps.
6 0
3 years ago
Read 2 more answers
Discuss the impact of one natural disaster on society and environment. ​
pav-90 [236]

One natural disaster has the ability to wipe out large crops and buildings that were used to fuel Earth's economy. It can also lead to a lack of biodiversity of an area that experienced the disaster.

For example, a tsunami can destroy buildings and kill an abundance of wildlife.

I hope I helped!

8 0
3 years ago
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