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Alex_Xolod [135]
3 years ago
12

1 Explain how substances are transported into and out of cells through diffusion, osmosis

Biology
1 answer:
spin [16.1K]3 years ago
6 0

Answer:

Dissolved or gaseous substances have to pass through the cell membrane to get into or out of a cell. Diffusion occurs when particles spread. ... They move from a region where they are in high concentration to a region where they are in low concentration.

Explanation:

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What can you conclude is one disadvantage of the arrangement of glucose molecules that gives chitin and cellulose their strength
Lynna [10]
The correct answer is the option B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.
Explanation:
In cellulose and chitin the arrangement of glycogen in in alternate arrangement that provides the support to the plants that makes it strong and the limits its mobility.
If plants lac their special arrangement of the glycogen in chitin and cellulose the water will flow in and it will not be stand upright.
Thus, the correct answer is option B) It does not allow for the accumulation of glycogen and, therefore, limits the organism's mobility.


5 0
1 year ago
Are microfilaments and lybosomes in both plant and animal cells?
jeyben [28]

Answer:

NO

Explanation:

The animal cell and plant cell are both eukaryotic cells. Eukaryotic cells are the type of cells that contains membrane-bound organelles, such as the nucleus, mitochondria, Golgi apparatus and a cytoskeleton.

The cytoskeleton, which is composed of microfilaments, internal filaments, and microtubules, <u>is present in both the animal and plant cells.</u>

However, some of the organelles that are not present in both the animal cell and the plant cell are centrosome and lysosomes.

<u>The </u><u>lysosome</u><u> is present only in the animal cell.</u>

5 0
4 years ago
An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
Pie

Answer:

B. 18

Explanation:

An atom, which is the smallest indivisible particle of matter, further contains certain particles called SUB-ATOMIC PARTICLES namely: proton, neutron and electron. In a neutral/uncharged atom, the number of proton is equal to the number of electrons. The number of protons in an atom represent its ATOMIC NUMBER.

However, the sum of the proton number and neutron number gives the MASS NUMBER i.e. mass no. = proton no. + electron no.

Hence, according to this question which states that an atom has an atomic number of 17 and a mass number of 35. The neutron no. can be calculated as follows:

Neutron no. = mass no. - proton no.

Neutron no. = 35 - 17

Neutron no. = 18

8 0
3 years ago
Read 2 more answers
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Anettt [7]

Answer:

humans and deer

3 0
3 years ago
The success rate of maintaining weight loss is most improved with
Leno4ka [110]
D) Exercise is the answer
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4 years ago
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