1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elina [12.6K]
4 years ago
11

What happens when a person who is allergic to ragweed encounters ragweed?

Biology
1 answer:
slava [35]4 years ago
5 0
Ragweed antigens bind ragweed and then bind mast cells which release histamine 

<span>Allergies develop because of a Th2 response against the allergen. </span>

You might be interested in
-Why do some land types absorb water better than others?<br>​
Kitty [74]

Answer:

I'm sure this is due to the porosity of the land type.

Explanation:

You see some land types are more porous than others; meaning, there are plenty air pockets in that land type. Hence, allowing water to pass through easily as compared to those with lesser air pockets.

8 0
3 years ago
The cells that produce hair contain a lot of ________, while the cells that produce the oils that coat the hair contain a lot of
AnnZ [28]

Answer:The cells that produce hair contain a lot of ROUGH ENDOPLASMIC RETICULUM , while the cells that produce the oils that coat the hair contain a lot of SMOOTH ENDOPLASMIC RETICULUM.

Explanation: ROUGH ENDOPLASMIC RETICULUM or  RER is a cisternae organelle that have two faces: the cytosolic face and the nucleus face. The cytosolic face is studded with ribosomes that are responsible for synthesizing proteins, a process known as translation. In the cells that produce hair, keratinocytes, the main protein synthesized is keratin.

SMOOTH ENDOPLASMIC RETICULUM is an organelle that lacks ribosomes and the function is related to lipid synthesis, different case that proteins synthesis. Specialized cells located in the SER (smooth endoplasmic reticulum) produces the oils that coat the hair called sebum to lubricate the hair. These cells secrete the sebum in an holocrine way. The composition of the sebum is made of triglycerides, wax esters, squalene.

7 0
3 years ago
Read 2 more answers
.
ollegr [7]
I think the correct answer from the choices listed above is option A. <span>The type of soluble fiber found in oats, barley, lentils, split peas, and beans protects against heart disease. Hope this answers the question. Have a nice day.</span>
4 0
3 years ago
Read 2 more answers
Which region of the hip bone articulates with the sacrum?
Ksju [112]

Answer:

Which region of the hip bone articulates with the sacrum? Ilium. The ilium is the largest region of this bone. It articulates with the sacrum at the articular surface.

Explanation:

7 0
3 years ago
How do I find the possible blood types of someone’s baby
ahrayia [7]

Answer:

The only way to find out what is the possible blood type of the baby is by finding out the blood type of the mother & the father.

8 0
3 years ago
Other questions:
  • Which animal would be least likely to survive in a basic(&gt;7 ph) environment?
    13·2 answers
  • Neurons are classified by the amount of metabolic activity that takes place. number of dendrites that branch out. direction in w
    9·2 answers
  • One member of the serine protease family is trypsin. Trypsin cleaves the polypeptide chain by breaking the peptide bond after a
    10·2 answers
  • Match the Words chose one letter for each number
    6·1 answer
  • Help please!
    9·1 answer
  • What are the answers for these 2 questions
    15·2 answers
  • 1. What is proper "posture" (way of standing) to ensure good singing technique?
    6·2 answers
  • What does the depth of the water determine?<br> Please help ASAP
    12·1 answer
  • Dna methylation and histone acetylation are examples of _____.
    14·1 answer
  • Summarize the steps of glycolysis using the key terms ATP, ADP, NAD+, NADH, glucose, and pyruvate.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!