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matrenka [14]
3 years ago
14

It’s tricky to develop a vaccine for the common cold because:

Biology
1 answer:
Molodets [167]3 years ago
5 0
The development of vaccines for the common cold has been difficult because of antigenic variability of the common cold virus and the indistinguishable multiple other viruses and even bacteria acting as infective agents.
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SpyIntel [72]
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4 years ago
Which is the best example of an autobiographical memory?
rjkz [21]
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3 years ago
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Komok [63]
You can carry out a test , 
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6 0
3 years ago
HELP QUICK-Which of the following is true regarding the atoms involved in a chemical reaction?
NeTakaya

Answer:

The same number of each type of atom will always be present before and after a chemical reaction takes place.

Explanation:

8 0
3 years ago
Please Help Me To Find All Organelles Names On This Image Of An Animal Cells
frutty [35]

Answer:

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4) nuclear envelope

5) ribosomes

6) plasma membrane

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12)  nucleus

13) centrioles

Explanation:

5 0
3 years ago
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