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mote1985 [20]
3 years ago
14

Which of the following could not easily cross the plasma membrane? A. Water B. Carbon dioxide C. Oxygen D. All of the above coul

d easily cross the plasma membrane.
Biology
1 answer:
wariber [46]3 years ago
5 0

Answer:D

Explanation:all of the above.

They are simple molecules that can cross the plasma membrane by passive diffusion.

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How do you find the “total magnification of something that you are viewing through a microscope?
mojhsa [17]

multiply the power of the eyepiece and objective lense Explanation:

5 0
3 years ago
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Do Different cell types also have special duties, like building skin or bone, pumping out hormones, or making anti-bodies.
Schach [20]

Answer:

Yes, different cell types also have special duties, like building skin or bone, pumping out hormones, or making anti-bodies.

Explanation:

Cell is the basis structural and functional unit of a living organism. The body of a human is composed of trillions of cells that are organized in around 200 types of cells.

<u>A tissue is simply a group of specific kind of cell that have  a specific role.</u>

  • For example: The nervous system contains cells called neurons that have ability to transmit message from one place to another and allow us to respond to any environmental stimuli, such as heat, cold, danger etc.
  • Skin cell is composed of cells that have a role in protecting the body against the attack of harmful microbes. They also protect have role in building new skin cells and adding the protection to our body.
  • Blood cells have a role in providing us immunity (for example white blood cells) therefore, make us better able to protect ourselves from danger of diseases.
  • Muscle cells help us in moving our organs as well as allowing the whole movement from one place to another.

Thus we see that different types of cells have special functions and all these different cells coordinate with each other to make an organized and functioning body of a living organism.


Hope it help!

7 0
3 years ago
How are conduction and indoction alike and how are they different
PolarNik [594]

Both conduction and induction involve a movement of electrons. Conduction is the transfer of electrons from a charged object to another object by direct contact. Induction does not involve direct contact. Instead, induction is the movement of electrons from one part of an object to another as a result of the electric field of the second object.  What is the difference between conductive and non-conductive?  Conductive materials are good conductors of heat or electricity. Nonconductive materials are not good conductors of heat or electricity. I hope this helps! :)

3 0
3 years ago
Which indicates the authenticity of a primary source document? Which best compares competition, cooperation, and predation betwe
arsen [322]

Answer: To know if a document is a primary source, check to see when the document is published, if it is an autobiography of a person, a diary, a letter, or the documents happen at the time of the event.

The competition between two organisms can be seen if there is only 1 source of food or habitat space and they're competing against each other for the food or habitat.

There is cooperation between two organisms if they are helping each other with resources or alarming each other if there is danger.

Predation between two organisms happen when one organism hunts the other organism for food.

6 0
3 years ago
Living things are composed only of organic elements, whereas nonliving things are made up of inorganic elementsa. Trueb. False
Scilla [17]

Answer: option B) Statement is false

Explanation:

Living things are NOT composed only of organic elements. Organic elements refers to compounds of Carbon, whereas living things such as Vertebrates (man, shark, lion etc) possess bones, teeth with INORGANIC components like phosphorus, magnesium, calcium.

Also, nonliving things are NOT made up of only inorganic elements. A good example is the air we breathe, it is non-living, yet contains carbon in the form of Carbiondioxide.

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