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olya-2409 [2.1K]
2 years ago
10

PLEASE HELP!! Gas cloud 1 is likely to form a star. Gas cloud 2 is not. Based on this information, match the given conditions wi

th each cloud. *options and pictures attached*

Biology
1 answer:
Alex2 years ago
7 0

Answer:

Gas cloud 1:   It spreads with a greater volume and less concentration of elements.  Its temperature stays well below the 14 million Kelvin.  It has hydrogen atoms that retain there electrons.

Gas cloud 2: Its volume shrinks and the density increase die to the gravity . Its temperature stays above the 14 million kelvin . Hydrogen atoms shed there electron.

Explanation:

As you already know, stars form within clouds of gas. These clouds have interstellar gases composed mainly of dust and hydrogen. When subjected to low temperatures, gases react and combine to form molecules that create clouds and continue to react until they form stars.

Cloud 1 has characteristics that show that it will form a star which are: It spreads with a greater volume and less concentration of elements, its temperature stays well below the 14 million Kelvin, it has hydrogen atoms that retain there electrons.

as we know that cloud 2 will not form stars we can say that its characteristics are:  Its volume shrinks and the density increase die to the gravity , its temperature stays above the 14 million kelvin , hydrogen atoms shed there electron.

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The plasma membrane , according to the fluid-mosaic model is composed mailer of
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Solution:

According to the accepted current theory, known as the fluid mosaic model, the plasma membrane is composed of a double layer (bilayer) of lipids, oily substances found in all cells. The fluid mosaic model was first proposed by S.J. The fluid mosaic model describes the structure of the plasma membrane as a mosaic of components —including phospholipids, cholesterol, proteins, and carbohydrates—that gives the membrane a fluid character. Plasma membranes range from 5 to 10 nm in thickness.

Thus this is the required answer.

5 0
3 years ago
Match the tissues to their functions. nervous tissue epithelial tissue muscle tissue connective tissue structural support arrowR
algol13

Answer:

B

Explanation:

The asnwer is B

5 0
3 years ago
Read 2 more answers
If blood cells are placed in a hypertonic solution, ___________a. the cells will shrink due to water loss by the cell. b. the ce
yKpoI14uk [10]

Answer:

The correct answer is option a. "the cells will shrink due to water loss by the cell".

Explanation:

Cells placed in a hypertonic solution will shrink due to water loss by the cell. An hypertonic solution has a high content of solutes dissolved, which makes it a solution with high tonicity. Water tends to move from a solution of low tonicity to a solution with high tonicity. As a result, cells placed in a hypertonic solution will start to loss their inner water and shrink, which causes its death.

4 0
3 years ago
1) What two problems does the transfer of information from DNA to protein need to overcome?
swat32

Answer:

The two problems that the transfer of information from DNA to protein must overcome are:

  • How to bring the information from the nuclear DNA to the place of protein synthesis?
  • How to convert this DNA information into amino acids and then into proteins?

Explanation:

The genetic information is found in the DNA and depends on a specific sequence of nitrogenous bases. This information is transcribed into the messenger RNA, whose base sequence is organized into triplets and codons, each of which encodes an amino acid, as well as establishing the pattern for starting and stopping the synthesis of a protein.

<h3 /><h3>How to bring the information from the nuclear DNA to the place of protein synthesis?</h3>

The DNA must be transcribed into messenger RNA (mRNA), a process that occurs in the nucleus of the cell. mRNA leaves the nucleus and travels to the cytoplasm, where amino acid synthesis will take place.

<h3 /><h3>How to convert this DNA information into amino acids and then into proteins?</h3>

Once in the cytoplasm mRNA binds to ribosomes, structures in charge of translating the sequence of nitrogenous bases RNA to synthesize amino acids. The set of ribosomes and rough endoplasmic reticulum are in charge of the assembly of amino acids to produce peptides and proteins.

8 0
3 years ago
In 2012, scientists discovered that colonies of single-celled organisms can be found in high numbers in the human gut. Scientist
sergeinik [125]

Answer:

Archaebacteria

Explanation:

Carl Woese categorised the bacteria into two domains called the Archaebacteria and the Eubacteria.

The Archaebacteria is the group of bacteria which can survive in the extreme condition as they posses the characteristics of both the prokaryotes and some eukaryotes. The bacteria are known as the extremophiles.

In the given question, the bacteria which lives in the gut of the human uses methane gas and thus are known as the methanobacteria. These bacteria are considered the archaebacteria as they methane for survival.

Thus, Archaebacteria is correct.

7 0
3 years ago
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