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madreJ [45]
3 years ago
5

What changes boy and girls go through during puberty?

Biology
2 answers:
ch4aika [34]3 years ago
6 0
Girls start periods and develop breast and boys grow facial hair acne
ivann1987 [24]3 years ago
4 0

Answer:

Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. The average age for girls to begin puberty is 11, while for boys the average age is 12.

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Will give brainlist if u help
EleoNora [17]

Answer:

Repetition

the act of repeating, or doing, saying, or writing something again; repeated action, performance, production, or presentation. repeated utterance; reiteration. something made by or resulting from repeating.

Replication

duplicate, repeat replicate a statistical experiment replicated his mentor's writing style. intransitive verb.

Empirical evidence is the information received by means of the senses, particularly by observation and documentation of patterns and behavior through experimentation. The term comes from the Greek word for experience,

I hope it helps

6 0
3 years ago
What is an example of a function of a cell?
valina [46]

Answer:

Photosynthesis

Explanation:

Breaking down sugar, locomotion, copying its own DNA, allowing certain substances to pass through the cell membrane while keeping others out.

5 0
3 years ago
Why do populations have variation of certain traits
HACTEHA [7]
To know where it rightfully belongs to. Variation of certain traits is caused by multiple factors of an individual of the same kind. Depending on their physical appearance, their environment and nature of survival.

Hope this might help.
3 0
3 years ago
Read 3 more answers
What are the similarities and differences between carrier proteins and channel proteins​
kvv77 [185]
* Channel proteins- these are proteins with a hydrophilic pore where specific ions are able to pass through the membrane. Each channel protein is specific to an ion. This is the only way ions can travel through the membrane. They are trans membrane proteins.

* Carrier proteins- these are proteins which allow larger or polar molecules through the membrane. They are trans membrane proteins.

Carrier proteins essentially “carry" signals that are not soluble in aqueous solution through the blood stream to their target cells. Carrier proteins for hydrophilic signals prevent degradation of the signal. Channel proteins are embedded in cell membranes. They often are receptors (though not always), and when activated, allow specific ions to pass through the membrane.

A channel protein is a special arrangement of amino acids which embeds in the cell membrane, providing a hydrophilic passageway for water and small, polar ions. Like all transport proteins, each channel protein has a size and shape which excludes all but the most specific molecules

The carrier protein facilitate diffusion of molecules across the cell membrane. The protein is imbedded in the cell membrane and covers the entire membrane. This is important because the carrier must transport the molecule in and out of the cell.
3 0
3 years ago
The periodic table has columns that group elements according to their _____.
Firdavs [7]
I think c is the correct answer
6 0
3 years ago
Read 2 more answers
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