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My name is Ann [436]
3 years ago
9

How is an hiv infection different from a cold virus infection?

Biology
2 answers:
Andrew [12]3 years ago
8 0

 HIV attacks helper T cells.

natka813 [3]3 years ago
4 0
HIV directly attacks CD4 helper lymphocytes directly. (D)
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Explain the difference in meaning between the words microbe and pathogen.
Ivanshal [37]

Answer:

Different diseases are caused by different types of micro-organisms. Microbes that cause disease are called pathogens. It is important to remember that: A pathogen is a micro-organism that has the potential to cause disease.

8 0
3 years ago
Which of the diagrams shows red blood cells in 0.0 M Solution​
Julli [10]

The rigth answer is the picture 4.

In the case of a hypotonic extracellular medium, there will be a large inflow of water to dilute the Na, thereby increasing the cell volume and there will be an explosion of the membrane in places so hemolysis, the contents of the red cell ( Hemoglobin) is released into the blood plasma.

On the other hand, in the case where the extracellular medium is hypertonic, therefore archi concentrated, well it will be the water of the red cell that will come out without damaging the membrane, we will rather have a red cell that is completely flat and non-functional without release. erythrocyte (Hb) content.

3 0
2 years ago
Earthquakes and faults form at __________ boundaries.
Len [333]

Answer:

transform

Explanation:

Most earthquakes occur at the boundaries where the plates meet. In fact, the locations of earthquakes and the kinds of ruptures they produce help scientists define the plate boundaries. There are three types of plate boundaries: spreading zones, transform faults, and subduction zones.

4 0
3 years ago
Which of the following is not a reason for the wide use of CFC's during the 1920's - 1990's?
Mila [183]
CFCs are Chlorofluorocarbon substances used in refrigerants (subtances used to keep other things cold) and in aerosol products.

they are both relatively nontoxic(nonpoisonous) and nonflammabale - at least as compared to alternatives.

They are rather volatile - they are not very stable. Therefore it does not make sense to say that they are strong - the correct answer is then strength.
4 0
3 years ago
3. There are both short term and long term complications of diabetes. Describe an example below for each category
BartSMP [9]
All I know is that you can get a short-term diabetes when you're pregnant, because my mom had diabetes when she had me and my sister. It comes from the cravings, which for her were salty and very sweet, and sounded very disgusting in my opinion.
8 0
3 years ago
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