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TiliK225 [7]
3 years ago
9

Which of the following make up a nucleotide?

Biology
1 answer:
soldi70 [24.7K]3 years ago
4 0

Answer:

adenine, guanine, thymine, or cytosine

Explanation:

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How can minerals crystallize from materials dissolved in water? (Select 2 choices )
Lynna [10]

Answer:

The correct options are:

2. From solutions that evaporate

4. From hot water solutions when the solution cools

Explanation:

The substances that can form minerals can be dissolved in the water to form a solution. Solution can be described as as a mixture in which a solute is dissolved in a solvent. When a particular dissolved solute evaporates from the solution, crystals of minerals might form. The mineral halite was formed when seas evaporated over a period of time.

The minerals can also be formed when a hot water solution gets cooled.

6 0
2 years ago
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What do we call the process where part of the DNA is saved during replication?
Nataly_w [17]

Answer:

The process where part of the DNA is saved during replication is known as semi conservative replication.

Explanation:

During cell division, a cell must first replicate its DNA (Deoxyribonucleic acid).  When a cell divides into daughter cells , the DNA of the parent cell must be copied because DNA contains the genetic material of an organism. DNA replication is the process in which DNA is copied  during the cell  division cycle.  During replication, the complementary strands of the original double helix DNA are separated and one of the two strands in the original molecule is saved in the new DNA molecule. Thus the new DNA molecule is made of an original strand and a newly synthesized strand. So the DNA replication is known as semi conservative replication. Each strand of the original DNA molecule is referred as the template strand because it provides information for the production of newly synthesized strand. It takes place inside the nucleus of a cell during the s stage  of the cell cycle. During replication, helicase enzyme breaks the hydrogen bonds between the complementary bases (Adenine with Thymine, Cytosine with Guanine) and unwinds the double helix of DNA. The two separated strands create a Y-shaped replication fork and act as templates for the synthesis of new strands of DNA. Enzymes known as DNA polymerases create the new strands.

6 0
3 years ago
A patient is admitted to the hospital with a diagnosis of abdominal aortic aneurysm. which signs and symptoms would suggest that
Basile [38]
Severe low back pain and bruising along his flank
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3 years ago
Which of the following is a major determinant of the distribution pattern of a population?
horrorfan [7]

Answer:

a.) rate of population growth

Explanation:

The population growth rate determines how a population will be distributed in a region. Populations with a high growth rate need to occupy more spaces, in addition to needing to consume a greater volume of natural resources. As the population grows, the distribution in the region becomes more intense, the opposite also happens. When the population growth rate indicates that the population is decreasing it means that this population will need less space and therefore, its geographic distribution will be smaller, as well as its impact on the region.

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2 years ago
PLEASE HELP 47 POINTS ASAP
Studentka2010 [4]

Answer:

Would It be C

Explanation:

I am so sorry but my brother said that he did it and he said he got it right but i was not for sure so .....:(

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