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padilas [110]
2 years ago
5

Which of the following adds oxygen to the atmosphere?

Biology
2 answers:
oee [108]2 years ago
6 0

Answer:

The answer is B.

Explanation:

The process of Photosynthesis from usually green-colored plants creates oxygen. This is because chlorophyll in the green-colored plants absorb sunlight and store its energy for converting carbon dioxide to oxygen.

Doss [256]2 years ago
4 0
B …………………….:;.:(?fdxcxdssdddd
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A student mixes various molecules needed for DNA replication. When he adds DNA, replication occurs, but each DNA duplex consists
weeeeeb [17]

Answer: DNA Ligase

Explanation:

During DNA replication, both the parental DNA strands are separated and act as templates for the synthesis of new strands. The formation of the new strands occurs in only 5'-3' direction and thus both the strands are synthesized in a different manner. One new strand with the template of 3'-5' direction will be synthesized continuously and is called a leading strand. The other strand with the template of 5'-3' direction will be synthesized discontinuously in the form of DNA fragments. These fragments are called Okazaki fragments and the strand is called a lagging strand. DNA ligase connects these fragments later to form a continuous lagging strand.

Therefore, DNA ligase is required for ligation of Okazaki fragments, and in absence of DNA ligase, the ligation of fragments will not occur and the newly synthesized strand will be discontinuous. However, if DNA ligase is not present in the reaction mixture, then the chances are that not all the newly synthesized DNA strands will be discontinuous. Only the DNA molecule with the lagging strand will be in the form of fragments.

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2 years ago
Explain how knowing the half-life o carbon 14 can tell scientists the absolute age of a rock sample
snow_tiger [21]
Carbon 14 has a half life of 5,730 years. Scientists measure how much carbon 14 the rock has. For objects older than 50,000 years, scientists will test the age of the things surrounding it.
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3 years ago
The Coriolis effect contributes to ________.
KIM [24]
The answer is e. global wind patterns
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erma4kov [3.2K]
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Read 2 more answers
Birds' beaks give us clues about their niches.
Bumek [7]

Answer:

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Explanation:

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