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Trava [24]
3 years ago
13

How do antibodies fight pathogens

Biology
1 answer:
aliina [53]3 years ago
5 0

Answer:

1) Antibodies are secreted into the blood and mucosa, where they bind to and inactivate foreign substances such as pathogens and toxins (neutralization).

2) Antibodies activate the complement system to destroy bacterial cells by lysis (punching holes in the cell wall).

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what happens when 2 or moreatoms bond together? a. the substance is not pure.b. a mixture is made.c. a new, pure substance is ma
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The substance is pure depending on which atoms bond.
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In the summer, the arctic fox appears brown
Nadya [2.5K]
The color change is most likely due to the effect of "<span>(3) environmental conditions on gene expression" All these changes have to do with what will keep the fox alive for the longest amount of time. </span>
4 0
3 years ago
Which advancement in technology has helped cut down on waste?
zzz [600]

The writing materials,the envelopes and the stamps are all made of paper and this led to a great waste as the papers have to be disposed after use. This is not the case with electronic mails. Electronic mails do not need paper at all and it has drastically reduce the amount of papers that is used in writing letters.

I hope this helps :)

4 0
3 years ago
Read 2 more answers
Light colored fur is recessive (bb) to dark colored fur. If 35% of the mouse population is light colored, answer the following:
Travka [436]

Answer:

  1. What percent of the population is BB? (Round to two decimal places)  → 17% BB  
  2. What percent of the population is Bb? (Round to two decimal places)         → 48% Bb  
  3. What percent of the population is bb? (Round to two decimal places)    → 35% bb  
  4. What is the frequency of the single dominant allele B? (Round to two decimal places) → 0.41  
  5. What is the frequency of the single recessive allele b? (Round to two decimal places) → 0.59

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
7 0
2 years ago
Ments
Klio2033 [76]

Answer:

1.Urine culture and sensitive is used to identify the microorganism that is causing the infection, and to identify the antibiotics, sensitive to the microorganism, if the urinary tract is not treated promptly it can lead to recurrent urinary tract infection.

2. First urine sample of the morning is more concentrated form as urine is present in the bladder for almost 8 hours. It contains an increased number of protein or urinary casts. The sample is placed in the refrigerator to get refrigerated as holding it at room temperature and if infected with bacteria present in the urine it uses the glucose and alter the results.

3. diabetic ketoacidosis is one of the many complications if you are having diabetes. Another complication is diabetic nephropathy inorder to check the urine acetone as well as protein in urine we advise for urinalysis each time you visit.

5 0
3 years ago
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