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cluponka [151]
3 years ago
9

How does a vaccine use antigens to aid the immune system

Biology
1 answer:
slava [35]3 years ago
7 0

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.

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Terangkan mengapa bilangan komosom berbeza pada sel anak antara mitosis dan meiosis.​(1 markah)
Alchen [17]

(hopefully this is what you need, I am using a translator)

/

(Saya harap ini yang anda perlukan. Saya menggunakan penterjemah.)

------------------------------------------------------------------

In mitosis, chromosomes separate only once. They line up end to end. This results in two identical, diploid cells. chromosomes failing to separate during meiosis, such as Patau syndrome, to the effects of chromosomes failing to separate during mitosis.

/

Dalam mitosis, kromosom terpisah hanya sekali. Mereka berbaris dari hujung ke hujung. Ini menghasilkan dua sel diploid yang serupa. kromosom gagal dipisahkan semasa meiosis, seperti sindrom Patau, dengan kesan kromosom gagal dipisahkan semasa mitosis.

:D

3 0
3 years ago
there are 22 grams of media per 1000 mL of liquid, how many grams of media would it take to make only 100 mL of liquid?
Basile [38]

Answer:

1ml

Explanation:

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svscwjdvjwdvwjdvwjskqskwsg

7 0
3 years ago
Please help me I am struggling:(
Grace [21]

2:

  • cellular organization
  • metabolism
  • homeostasis
  • hereditary
  • growth and development
  • response to stimuli
  • adaptation to evolution

4: Photosynthesis

those are the ones I am pretty sure are correct, I am so sorry I haven't been in biology in so long :(

3 0
3 years ago
What is the function of reterocerebral organ?​
weeeeeb [17]

Answer:Desde un punto de vista evolutivo y biológico, la función del cerebro como órgano, es ejercer un control centralizado sobre los demás órganos del cuerpo.

Explanation:

5 0
4 years ago
Transcription is the synthesis of ______
crimeas [40]

Answer:

RNA

Explanation:

Transcription is the second stage of central dogma of life (1. replication, 2. <u>transcription</u>, 3. translation).

During transcription, DNA (which is already replicated) is transcribed to RNA. This is because, the genetic information is present within nucleus and thus it is required to be transported outside the nucleus in order to  perform key enzymatic functions. Therefore, transcription takes place and the genetic information travels outside in the form of RNA, where  ribosomes decode this message to form proteins. The ribosomes make proteins (translation) required for enzymatic functions.

5 0
3 years ago
Read 2 more answers
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