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cupoosta [38]
3 years ago
7

How do basophil cells react when a pathogen enters the body

Biology
1 answer:
drek231 [11]3 years ago
8 0
First, basophil cells release chemical signals to alert other white blood cells to the site of infection, where the pathogen is. To do this, the chemical signals released by the basophil cells cause inflammation in the bloodstream.
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The elements potassium (K) and chlorine (CI) can form an ionic bond. Which of the following
musickatia [10]

Answer:

As chlorine has 7 valence electrons, it tends to form bonds to gain one electron (to get a full valence shell of 8).On the other hand, potassium has one valence electron, so it tends to lose this electron to other atoms (and

become a cation)

8 0
3 years ago
Water molecules are ____________ due to _________bonding. This property helps water molecules to stick to each other and allows
Gekata [30.6K]
Water molecules are COHESIVE due to HYDROGEN bonding. This property of water allows the individual molecules to stick to each other and allows for movement of water from roots to leaves. 

The correct answer is B. 
Water has certain qualities that allows it to be incorporated into the bodies of living organisms. Water forms hydrogen bonds because it is a polar molecule. The formation of these bonds leads to the cohesive nature of the substance making it suitable as a biological solvent. 
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3 years ago
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Which condition would result in the least evolution as a result of gene flow? a. Very different allele frequencies in different
nikitadnepr [17]

Answer:

c. Unusually high migration variance Individuals that are very successful at migrating to new populations, but cannot mate in the new locations.

Explanation:

Gene flow refers to the movement of alleles between the local populations when individuals form a population migrate into the other population. Gene flow can occur only if the migrated individuals mate successfully with the individuals of the other population. This would add new alleles from immigrant individuals to the gene pool of the population leading to evolution.

If the immigration is not followed by the mating of the immigrants with individuals of the local population, there would not be any addition of new alleles to the gene pool and the population would not exhibit evolution by gene flow.  

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3 years ago
Where is a suitable place for getting tested for a sexually transmitted infection (STI)?
denpristay [2]

Answer:

the answer to this is at a clinic

Explanation:

its more save there

4 0
3 years ago
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Acids and salt in ocean water dissolve minerals in rock. This is called _____.
AleksandrR [38]
Weathering is the answer

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