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zzz [600]
3 years ago
10

Explain what is a pathogen and why it can make someone sick?

Biology
1 answer:
kondor19780726 [428]3 years ago
7 0
A python is a forgein body that enters the human body. (for example it's like pollen for people thay have allergies) it makes people sick becaise the body identifies it as a threat and tries to expell it
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A musk ox and the Alstroemeria flower have physical structures and organs that have similar functions. Provide two examples of s
Levart [38]

Answer:

Multicellular organisms: Both the plant and the ox are made up of more than one cell.

Both the ox and the plant need to breath somehow  (use air).

Explanation:

3 0
2 years ago
Kingdoms are a more specific (less broad) category in the taxonomic hierarchy.
gregori [183]

Answer:

a

Explanation:

According to the taxonomical hierarchy, the kingdom is the highest category in biological classification. It is a group of closely related organisms.  

Kingdom - Phylum -Class - Order -Family - Genus -Species.

4 0
3 years ago
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Greg is telling his teacher how a cell is like a house. Which part of a cell is like the air in Greg's house?
NISA [10]
The air in Greg's house is like the cytoplasm of a cell because it is the gel-like material that surrounds the other parts of the cell. 
Hope this helps! :) 
8 0
4 years ago
A bacterial cell that contains an outer membrane and periplasmic space stains pink to red on Gram stain. Which one of the follow
anastassius [24]

Answer:

a. No discrepancy is present; organisms that contain an outer membrane and periplasmic space should stain pink because of their cell wall composition.

Explanation:

Gram stain is the staining method used to differentiate bacterial species into two groups, gram-positive and gram-negative bacteria. Factors that will differentiate gram-positive from gram-negative include the coloration of bacteria, the composition and chemical and physical properties of cell walls. In these tests, bacteria that have an outer membrane and a periplasmic space are considered gram negative and pink in color (sometimes similar to red) due to their cellular composition. For this reason we can state that there is no discrepancy present in the bacteria exposed in the question; Because this bacterium has an outer membrane and a periplasmic space, then it is normal for the bacteria to turn pink due to its cell wall composition.

6 0
3 years ago
Using the diagram, which of the structures is the youngest?<br><br> B<br><br> C<br><br> D<br><br> M
Semenov [28]
Answer: D

Step by step:
3 0
3 years ago
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