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Setler79 [48]
3 years ago
6

What skill is a scientist using when they record the sounds that dolphins make? a. analyzing data b. making a hypothesis c. draw

ing conclusions d. collecting data
Biology
1 answer:
Rasek [7]3 years ago
6 0

Answer:

D. Collecting data

Explanation:

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Name the two layers that make up the skin, and identify a function for each layer.
Otrada [13]
Dermis and epidermis
Epidermis help us to protect the inner organs and also the dermis
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You are observing a cell. its cell wall is made of a long-chain polysaccharide called peptidoglycan. it has the ability to make
Rudiy27

Answer

            The organism should be name as bacteria.  

Explanation

                   Peptidoglycans is the characteristics features of bacterial cell its absent in cell wall of archaea, fungi and plant cell.  Bacteria can also make amino acids. There are some bacteria who can prepare their own food in the presence of sunlight, i.e purple phototrophic bacteria, green sulphur bacteria, green filamentous bacteria etc. these bacteria contain photosythertic pigments called bacteriochlorophyll.  


7 0
3 years ago
What is innate immunity? Discuss the barriers associated with innate immunity.
Rama09 [41]

Answer:

Innate immunity is a nonspecific defense mechanisms that play its role as soon as an antigen appear in the body (it is relatively rapid but nonspecific and because of that it is not always effective)

Explanation:

The barries of innate immunity are:

Skin: At Epidermal surface, its protective aspect are keratinized cells that lives on the surface, known as Langerhans cells.

Skin sweat or secretions: Their specific defense is sweat glands and sebaceous glands, and their protective aspect is low ph and washing action.

Mucosal surfaces: they are at the mucosal epithelium, and their protect aspects are nonkeratinized epithelial cells.

Oral cavity: They defend salivary glands through Lysozyme

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Which of the following biomes are considered temperate biomes?
BaLLatris [955]
What are the Biomes?
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Which stage of the human immunodeficiency virus (HIV) would a client with a CD4 T cell count of 325 cells/mm3 be classified
kirza4 [7]

Based on the CDC guidelines a person with a CD4+ cell count between 200-400 is regarded as being in <u>the second stage</u> of the HIV infection.

Acquired Immunodeficiency Syndrome

Acquired immunodeficiency syndrome (AIDS) is a condition caused by HIV (human immunodeficiency virus). AIDS is a chronic disorder and can become life-threatening for the infected person. The HIV viruses reproduce inside the host and while doing so they destroy the CD4+ immune cells which reduce the person's ability to fight against other diseases.

CD4+ cell count and AIDS

According to the CDC (U.S. Centers for Disease Control and Prevention), HIV infection is categorized into different stages based on the number of CD4+ cells.

  • Stage 1: - CD4+ cell count is more than 500 per microlitre. There are no symptoms or AIDS-related conditions.
  • Stage 2: - CD4+ cell count is more than 500 per microlitre. There are no symptoms or AIDS-related conditions.
  • Stage 3: - The CD4+ cell count falls below 200 and AIDS-related symptoms and conditions are present.  

Learn more about HIV infection here:

brainly.com/question/13662165

#SPJ4

7 0
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