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Nata [24]
3 years ago
14

Cells can interact with other cells?

Biology
1 answer:
Allisa [31]3 years ago
3 0

Answer:

Yes. Cells have 'cell receptors' that are used to receive messengers like hormones to communicate. Cell receptors have specific shapes that fit the shape of the messenger that they want to receive. Organs like the pancreas send our these messengers to the cells to order them to do different functions.

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Why does the reporter have a tube up his nose?
Fittoniya [83]

Answer:

"To accurately measure core temperature" the reporter have a tube up his nose

Explanation:

The tube seen entering the reporter's nose is a thermistor which is used to measure the core temperature of the body with very high levels of accuracy. The tube reaches the esophagus, which is one of the most preferred locations for measuring the core temperature. The core body temperature is the operating temperature of the human body and it refers to the temperature of the deeper structures of the body instead of the peripheral tissues.  The esophagus is close to the left ventricle of the heart, it has a deep body location and a quick response to any changes in the body temperature. 

7 0
3 years ago
Which of these is an example of a chemical change?
lawyer [7]

The correct options are, frying an egg and burning candle.

Explanation :

Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.

Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

Frying an egg : It is a chemical change because a new substance is form by heating.

Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.

Boiling alcohol : It is physical change because only changes in the state.

Melting and ice : It is a physical change because only changes in the state.

Making coffee : It is a physical change because no new substance is formed.

Therefore, frying an egg and burning candle are the example of chemical change.

4 0
3 years ago
Read 2 more answers
Are NAD+ and H+ the same? Or what is the difference between them? Thanks.
Greeley [361]

<u><em>NAD+ and H+ are not the same. </em></u>

NAD+ is an electron carrier. Reactions in metabolism oxidize food molecules and transfer those electrons (along with H+) to > NAD+ which is what forms NADH. Now, NADH is the reduced form of NAD+ and NAD+ is the oxidized form of NADH.  

H+ on the other hand, is a proton. It is a hydrogen atom that lost it's electrons. So when you see NADH + H+, that means that the reaction  removed 2 electrons and 2 H+ from the compound.

7 0
3 years ago
can someone please help me complete number 12? I dont get it and were working on punnet squares and genetics. Its a 5 point ques
krok68 [10]

Answer:

Just use the letters for their traits.

Explanation:

8 0
3 years ago
Plants and algae most recently shared a common ancestor 480 million years ago, and plants colonized land shortly after that. lig
motikmotik
The development of the stomata. 
4 0
3 years ago
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