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Dima020 [189]
3 years ago
5

Define cell and atom.....​

Biology
1 answer:
KatRina [158]3 years ago
6 0

Answer:

cells are the basic building blocks of all organisms , whether living or dead.

atoms are the basic building blocks of matter(non-living things) . every item , for eg, chair, book, toothbrush are made of atoms?

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The central nervous system (CNS) contains a number of components that perform specific functions within the body. Some functions
ivolga24 [154]
The part of the CNS that is responsible for these functions is the brain stem. 

The brain stem is the part of the brain that control very basic functions of your organism and lets them work together as they should. The other parts that are mentioned all have much more specific and also different roles. 
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3 years ago
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What does it mean for a membrane to be selectively permeable?
maw [93]

Answer;

Semi-permeability means that only certain molecules are allowed to pass through.

Explanation;

-Semi-permeability is one of the features of a cell membrane, which means that the membrane allows selective movement of materials in and out of the cell; that is only certain molecules can enter or leave the cell.

-For example smaller molecules such water and ions such as potassium and sodium ions are able to leave and enter the cell, while other molecules that are large such as protein molecules can not enter or leave the cell.

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3 years ago
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MARKING PEOPLE AS BRAINLIDT IF CORRCET
meriva

Answer:

True the bone cells do have different DNA than blood

Explanation:

3 0
2 years ago
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Have your ideas about what happens to molecules in the liquid, solid, and gas phase changed? If so, how? What evidence supports
Westkost [7]

Various states of matter have molecules moving at different velocities.

<h3>Molecules in matter</h3>

Matter is composed of molecules. These molecules that compose matter are in constant random motion. The kinetic energy and velocity of the molecules depends on the state of matter.

Molecules of a gas are fastest followed by molecules in a liquid. Molecules in a solid do not move at all hence solids have a definite shape.

Learn more about molecules: brainly.com/question/19922822

7 0
2 years ago
19. Explain the following observation made by Gregory Mendel in his experiments, A cross between a
Elis [28]

Answer:

The correct answer is - can be explained by the law of dominance.

Explanation:

In this experiment of Gregory John Mendel where he made a cross between a purebred tall plant and a purebred dwarf plant and in the first generation all the offspring were tall.

It can be explained by that every offspring get one allele from both parents and in purebred both alleles are either dominant or recessive and both parent plant gives one allele which makes a heterozygous condition in which the dominant allele masks the recessive allele and offspring express phenotype of the dominant parent.

4 0
3 years ago
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