What is the main working cells of the specific immune response

1 answer:

4 0

To raise the defense, the body must first recognize the pathogen or whatever this attacker. There are two types of immune response: innate and adaptive,the Adaptive immune response is much more efficient because it is more specific.

hope this helps!

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Using a microscope, Quinlin notices a small green organelle inside a cell. Which of the following is most likely to occur first

jek_recluse [69]

Answer:

D.The light-dependent reactions absorb sunlight and transfer the energy to electrons.

Explanation:

Firstly, the organelle that was described as small green organelle inside a cell as noticed by Quinlin is the CHLOROPLAST. Chloroplast is an organelle present in the cells of green plants, in fact, it makes plants green. Chloroplast is the organelle where the unique process of PHOTOSYNTHESIS occurs in plant cells.

However, the photosynthetic process is divided into stages namely: light-dependent and light-independent stages. The light dependent stage, which involves the production of ATP (energy carrier) and NADPH (electron carrier), must PRECEDE the light independent stage or Calvin cycle. Chloroplast contains a pigment called CHLOROPHYLL, which absorbs light energy from the SUN in order to power the light dependent stage of photosynthesis.

Hence, the light-dependent reactions, which absorb sunlight and transfer the energy to electrons must occur first in the organelle.

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Which of the following processes is least likely to introduce variations into the genetic make-up of a population?

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What are my options I only see the question?

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Cyanobacteria and purple sulfur bacteria both obtain energy from light. however, only the ________ are capable of releasing ____

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Answer: Cyanobacteria, oxygen

Cyanobacteria also known as Cynophyta and blue green algae. It is a phyllum of bacteria that produces it's own food like plants by the process of photosynthesis. It is found in freshwater lakes, damp soils, oceans, moistened rocks and even in animal fur. The purple sulfur bacteria belongs to the group of Proteobacteria. It is an anaerobic bacteria. It is found in hot springs, and stagnant water. It is a photosynthesizing bacterial strain like Cyanobacteria but it does not utilize water to be reduced in the photosynthesis process like in Cynobacteria, to produce oxygen.

Hence, only the Cyanobacteria are capable of releasing oxygen.

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Scientists have proposed more than two dozen ways to define species. One commonly used definition, called the biological species

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The nurse is collecting data on a child with a 1-week-old cat scratch injury. While assessing the scratch the nurse notes rednes

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Answer:

Explanation:

1. the child should rest in bed

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