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DiKsa [7]
2 years ago
6

Anyone know the answer-

Biology
2 answers:
chubhunter [2.5K]2 years ago
7 0

Answer:

Explanation:

It occurs anywhere between 10-16 years old. Hormones cause it.

Talja [164]2 years ago
6 0

Answer:

It happens during the early teen years. Your body becomes more mature, more body hair, and hormones levels are unbalanced.

Explanation:

In the early teen years, and your brain realaes a special hormone that starts puberty.

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Christiane Nüsslein-Volhard and her colleagues carried out several experiments in an attempt to understand what determines the a
Dmitry [639]

Answer:

Explanation:

Bicoid gene is the maternal effect gene whose protein concentration gradient patters the anterior-posterior axis in Drosophila embryogenesis. It was the primary protein that is demonstrated to act as a morphogen. Morphogens are proteins whose concentration gradient will affect the developmental fate of the surrounding region.

The specified bicoid gene is the one which codes for bicoid protein. This protein is being existing in a gradient manner in the egg and thus its concentration is higher at the anterior end and lower in posterior end.

This bicoid protein is responsible for the stimulation of the development of the anterior end.

The posterior region (including the hindgut) expands and extends towards the anterior pole along the dorsal side of the embryo. At this time, segments of the embryo become visible, creating a striped arrangement along the anterior-posterior axis.

6 0
2 years ago
(b) Explain why an individual was found to have a high urea content in his urine after
Karolina [17]

Answer:

due to formation of purines in outer body

6 0
2 years ago
Canine teeth of human beings are called vestigial organs and archaeopteryx is called a bridge animal,why?​
Alexxandr [17]

Canine teeth are not as useful as it is in animals while archaeopteryx has the character of both birds and reptiles.

<h3>What are vestigial organs?</h3>

The vestigial organs are those organs that have no apparent function in the body which means that the body can do without them.

Examples of vestigial organs in the body are:

  • appendix

  • wisdom teeth

The canine teeth is a type of teeth in mammalian dentition and is said to be vestigial because man can do without it.

Archaeopteryx are animals that has the characteristics of both birds and reptiles because it bears wings like birds and has hands it uses to crawl like a reptile.

Learn more about vestigial organs here:

brainly.com/question/1350219

7 0
2 years ago
A polypeptide is a sequence of?<br> a. proteins<br> b. amino acids
Vilka [71]
A polypeptide is a chain of amino acids. The completed polypeptide chains come together to form proteins, so be careful not to get them mixed up!
Hope this helps!
8 0
3 years ago
What is the difference between evaporation and transpiration?
miskamm [114]
Evaporation takes place when the sun's heat breaks the bonds with water in liquid form which happens to be in an ocean, lake, stream , or puddle, it is then draw into the atmosphere while it is in a gaseous state. Transpiration is for lack of a better word, plants sweating. Plants release small amount of water which are then usually evaporated or used by the plant.
3 0
3 years ago
Read 2 more answers
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