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svp [43]
3 years ago
11

What is natural gas?

Biology
2 answers:
saveliy_v [14]3 years ago
8 0

Explanation:

It is a fossil energy source that forms deep beneath the earth surface

Softa [21]3 years ago
5 0
Natural gas is a mixture of many gases, including propane, butane, carbon dioxide, ethane, oxygen, nitrogen, and hydrogen sulfide, but it is primarily made up of methane gas. When you burn natural gas, it gives off heat energy that is stored in the gas molecules.
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Chemical Reactions Quick Check
Nana76 [90]

Answer:The reaction yields something I think...‍♀️

Explanation:

8 0
3 years ago
Match the steps in the cell cycle in the correct order
Tcecarenko [31]

Answer:

1. Chromosomes line up - metaphase

2. Cell growth - G1

3. Final preparations for division - G2

4. Chromosomes get pulled apart - anaphase

5. DNA replication - S

6. Chromosomes condense - prophase

7. Chromosomes uncoil and nucleus reforms - telophase

8. The cytoplasm and organelles divide, and now there are two identical cells - cytokinesis

Explanation:

There are four primary phases, or stages, in the cell cycle, which is a systematic process. Each stage has a goal that has to be achieved before moving on to the next. G1, S, G2, and mitosis are the stages.
There is growth during the G1 phase. A lot of protein is produced and water is pumped in, increasing the volume of the cell. The DNA is also examined at this time to see whether there has been any damage. The G1 phase precedes the S phase, therefore before going into S phase, the cell must make sure it has enough energy reserves.

The cell duplicates its DNA during the synthesis phase, also known as the S phase. DNA content doubles due to the duplication of all chromosomes. The compact state of DNA is created by proteins, which do not exist in and of themselves. Therefore, in order to ensure that the new DNA is properly packed when DNA is replicated, new packaging proteins must be produced. Histones are the proteins that house DNA. The production of new DNA is closely linked to the production of new histones.

A cell multiplies its organelles during the G2 phase. Right before the cells divide into two distinct cells during mitosis, the G2 phase occurs. There must be distinct functioning organelles in each daughter cell. Organelles like the golgi and endoplasmic reticulum are linked networks of sizable membrane pouches that may change size. Other organelles, including mitochondria and chloroplasts, are separate structures that must separate similarly to how cells do.

The process of physically dividing a cell into two daughter cells is called mitosis. Prophase, metaphase, anaphase, and telophase are its four basic stages. The nuclear membrane deteriorates as the chromosomes thicken during prophase. The center of the cell's chromosomes align during metaphase. One chromosome splits in half during anaphase, sending one half to either side. The telophase is characterized by the pinching together of the cell's centre to form two separate cells.

6 0
2 years ago
What do the dotted lines, indicated with the arrow, represent in the DNA model above?
Mariulka [41]

Answer:

The hydrogen bond between complimentary nucleotides.

8 0
3 years ago
Give reasons : a.) Diameter of afferent astride is bigger than efferent arteriole? b.) Urine is slightly thicker in summer than
Arisa [49]

Answer:

a. Diameter of afferent astride is bigger than efferent arteriole to generate force for efficient filtration

b. Urine is slightly thicker in summer than in winter to reduce water loss from the body

c. Always vasopressin is not secreted when a person drinks sufficient water

d. ESRD stands for End stage renal disease

Explanation:

a. While transferring blood from afferent astride to efferent arteriole blood gets filtered. Filtration is efficient when the blood flows with force which is generated when blood flows from large arteriole to the small arteriole. Hence the diameter of afferent astride is bigger than efferent arteriole.

b. Urine is slightly thicker in summer than in winter to reduce water loss from the body. In summer water is lost in the form of sweat as well. Hence, urine gets concentrated to compensate for the lost body fluid.

c. Always vasopressin is not secreted when a person drinks sufficient water. The osmoregulation is maintained  externally.

d. ESRD stands for End stage renal disease

3 0
2 years ago
Fish in a small pond depend on what biotic factors to meet their needs?
Eddi Din [679]

Answer:

Fish in a small pond will most likely depend on which of the following biotic factors to meet their needs? Plants that exchange gasses with the pond water. Insects that feed on other insects in the pond. Water birds that prey on amphibians and small fish.

Explanation:

4 0
3 years ago
Read 2 more answers
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