Photosynthesis produce 02 (oxygen)
Answer:
UAACUG
Explanation:
rna contains Uracil instead of Thymine.
During the initial exposure to the allergen, contact is made with B cells, these B cells differentiate and produce IgE antibody. The IgE antibodies which works against the allergens are released into the blood stream where they binds to Fc receptors which are located on mast cells and basophils. Now, the mast cells has become sensitized and they will wait patiently for the second exposure. When contact with the allergen is made the second time, the allergen becomes attached to the IgE present on the mast cells and this result in degranulation which trigger a lot of allergic responses.
Answer:
When we say that a trait has been "selected for", this means that. individuals with that trait reproduce more than individuals without that trait.Explanation:
Answer:
Hello!
The answer is D) Homeostasis
Explanation:
Homeostasis:
<em>The regulation of a cell or an animal's internal environment in response to fluctuations in the external environment is called homeostasis. </em>
Homeostasis is crucial to maintain an optimum environment for cell structures to work effectively.
In this case, the jackrabbiit's circulatory system is responding to fluctuating temperatures. In hot days, the body is at risk of heating up above optimum temperature which could hamper body functions. Therefore, the blood flow to the ears is increased to facilitate heat loss.
In cold temperatures, the blood flow to the ears is decreased to conserve heat for vital body organs. The blood flow is directed to the core of the body to protect the heart, lungs, liver and brain.
