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GrogVix [38]
3 years ago
13

Choose an ecosystem from

Biology
1 answer:
Lelechka [254]3 years ago
5 0

Explanation:

Desert

Cactus-butterfly-lizard-snake

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Which of the following are matched correctly?
kogti [31]

Answer:

<u>1. type IV hypersensitivity: delayed-type hypersensitivity.  </u>

<u>2. type I hypersensitivity: IgE  </u>

<u>3. type II hypersensitivity: IgG  </u>

<u>4. type III hypersensitivity: immune complexes </u>

Explanation:

Type IV hypersensitivity is cell mediated hypersensitivity rather than antibodies as in all other types of hypersensitivities. It is also known as delayed type hypersensitivity because it usually respond in 2-3 days via T-Lymphocytes rather than antibodies like IgE or IgG. So we can say that in option 5 is mismatched as it relates type IV to IgG antibodies.

4 0
4 years ago
Which feature of the sun appears in cycles of 11 years
SOVA2 [1]
After the solar cycle takes place, bigger sun spots appear, flares appear, and the solar radiation changes.
If this doesn't answer your question, I'll try again. If there are options feel free to comment them as it can narrow down my choices.
Have a good day!
7 0
3 years ago
An effective strategy for stepping in if someone appears to need help is
LenKa [72]

Answer:

An effective strategy for stepping in if someone appears to need help is <u>directly check in with the person</u><u>.</u>

Explanation:

Many a time, our closed ones will be fighting battles we are unaware of. We are so busy in our lives that we either do not notice the problems of our loved ones or we just think that if they need help from us, they will ask it themselves. But we shall realize the fact that many people will not ask for help themselves due to certain reasons.

So, it is best to always check upon the persons you love if you think that they might need any help.

5 0
3 years ago
The body determines whether certain genes should be expressed or not. Sometimes genes are only turned on once or twice in a life
zmey [24]

The gene which is produced once or twice in a lifetime is the milk producing hormone after childbirth. This is because it is produced only after the birth of the child. The growth of the mammary glands takes place during pregnancy. The breast continue to increase in size after giving birth to a child. After delivery only copious milk is produced which is generally done with the help of milk hormone. During pregnancy the secretion of the milk is inhibited by the estrogen and progesterone which circulates in the blood stream which in turn inhibits the release of prolactin from the pituitary gland thus making the mammary glands unresponsive. Where as insulin is a hormone which helps the body to utilise the sugar or glucose from different sources like carbohydrates that we get while we eat food and adrenaline is secreted when we are scared or when we feel that we are in danger. Therefore, milk producing hormone is the gene that are turned once or twice in a lifetime.

8 0
3 years ago
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11. What are cell cycle regulators?
Helga [31]

Answer:

A conserved set of cyclin-dependent protein kinases (Cdks) initiate or regulate events through phosphorylation of intracellular proteins, thus controlling cell cycle progression, terminal differentiation, and apoptosis. ...

Explanation:

6 0
3 years ago
Read 2 more answers
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