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Elanso [62]
3 years ago
15

WILL GIVE BRAINLIEST!!!!!!!!!

Biology
1 answer:
Scrat [10]3 years ago
3 0

Answer: T

Explanation:Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.

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Which action is an important part of scientific methods?
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making hypotheses is a scientific method

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a single stranded dna (oligonucleotides) can hybridize with (select one): select one: a. complementary dna b. complementary rna
garri49 [273]

A single stranded DNA  (oligonucleotides) can hybridize with (d) both complementary DNA and complementary RNA.

DNA is the Deoxyribonucleic Acid. It is the genetic material present in majority of organisms. The nitrogenous bases present in DNA are: Adenine, thymine, Guanine and Cytosine.  DNA is a double stranded structure hence it forms hydrogen bonds with a complementary strand. The complementary strand can be of a DNA or RNA.

RNA is the Ribonucleic Acid. It also is a genetic material present in very few organisms. RNA is less stable than the DNA and may be either single stranded or double stranded. The nitrogenous bases of RNA are: Adenine Uracil, Guanine and Cytosine.

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4 0
1 year ago
Sperm cells of the Russian dwarf hamster, Phodopus sungorus, contain 14
dybincka [34]

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<em>The correct option is C) 28</em>

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Sex cells divide by the process of meiosis. Meiosis can be described as a type of cell division in which the daughter cells formed contain half the number of chromosomes as the parent cell. This is because when the sex cells from the female and male parent will unite then the zygote will possess the right number of chromosomes.

In the following scenario, the sperm cells of the Russian dwarf will contain 14 chromosomes which will unite with the egg of another Russian dwarf also having 14 chromosomes. As a result, a zygote will be produced having 28 chromosomes.

5 0
3 years ago
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