BIOLOGY MIDDLE SCHOOL

5 ejemplos de punto de ebullicion

Answers

Answer 1
Answer: Sustancia      Punto de fusión       Punto de ebullición

Nitrógeno      -210                         -196
Oxígeno        -218                         -183
Agua             0                             100
Alcohol         -114,4                       87,4
Mercurio        -38,9                        357
Glicerina        -40                           290
Aluminio         660                          2060
Cobre             1083                        2595
Hierro             1539                        2740
Oro                 1064                       2856

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Most cells in the onion root are not undergoing cell division and they have a large purple circle inside them. What are the circular structures?

Answers

The purple circular structures are the nucleus.

Does an orangutan use its large tail to shade itself from the sun

Answers

No, that is incorrect because an orangutan does not even have a tail.
Orangutans dont have tails so that is incorrect

Please help i need to finish this today before bed and i need a passing grade to start my next assignment. Proteins have a variety of functions within a living cell. Describe at least three of the possible functions of proteins, and explain how proteins can be so diverse when there are only a limited number of different amino acids.

Answers

an answer might be - Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids. Proteins are fundamental components of all living cells and include many substances, such as enzymes, hormones, and antibodies, that are necessary for the proper functioning of an organism. They are essential in the diet of animals for the growth and repair of tissue and can be obtained from foods such as meat, fish, eggs, milk, and legumes.

One isotope of carbon has 6 protons and 8 neutrons. Which is the correct reference for this isotope?A. carbon-6
B. carbon-8
C. carbon-14
D. carbon-2

Answers

The correct reference for the isotope of carbon that has 6 protons and 8 neutrons is carbon -14. (Solution: C)
Carbon-14, 14C, also referred toa as radiocarbon, is a radioactive isotope.Its atomic nucleus contains 6 protons and 8 neutrons. 
It is used to estimate the date at which an organism died. The reason is because carbon-14 decays at this constant rate.
6 + 8 = 14 so the answer is 14

10 facts on how tornadoes and hurricanes are alike.

Answers

1. They are both storms.
2. They are both natural disasters.
3. They both involve wind.
4. They are both catastrophic events.
5. They can both cause destruction.
Keep on thinking things like this, I hope these 5 help! :)

What advantages of being an invertebrate over a vertebrate?

Answers

Their exoskeleton is stronger that just skin. they are much more flexible than vertebras. If they break a body part it will grow back over time.
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