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Darina [25.2K]
3 years ago
9

Which of the following best describes where one could find a single trait of an organism?

Biology
1 answer:
Lena [83]3 years ago
3 0
A .............,,,,,..,......
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What is happening to the DNA molecule in the figure? (Explain the first step in DNA replication)
tatuchka [14]

Answer:

As this is DNA replication, this is the unwounding process

Explanation:

In DNA replication, the parent DNA to be replicated is unwound to enable access of the replication machinery (replisome) to this genetic material. The origin of replication will be identified first, which in the prokaryotes is only one, and in the eukaryotes, we have many. This sites are recognized by specific sequences on the genome. after this, melting of the DNA occurs at this origin creating a replication bubble and two replication forks. This  allows for the unwinding of the DNA by the enzyme Helicases in the direction of the replication fork. Another enzyme present in this step is also the single strand binding proteins (SSB). These proteins function in the prevention of re-anealing of the unwound DNA strand by attaching themselves to each strands. Another enzyme called the topoisomerases also function here by reducing the torque (twisting) produced upstream of the replication fork as result of DNA unwounding. An example is the gyrase

4 0
3 years ago
What is antacid medicine used for?​
mel-nik [20]

Answer:

to treat heartburn........

6 0
3 years ago
Choose the scientific question. A. Would you like to have a frog as a pet? B. Who is the smartest biologist alive today? C. Whic
TiliK225 [7]

Answer:

<em>The correct option is D)  How is the number of frogs in Massachusetts affected by pollution</em>

Explanation:

A scientific question can be described as a question which can be answered through the scientific method of research. Based on the scientific question, a hypothesis can be formulated. For example, for the option D, the hypothesis can be 'if the pollution increases, then the number of frogs decreases.' A hypothesis is a tentative statement which can be tested through experiments. Based on these experiments, results are formulated and conclusions are drawn. The question mentioned in option D can be answered through this method hence, it is the correct option.

7 0
3 years ago
Which two human body systems are involved in bringing glucose into the body and then taking it to the individual cells to serve
frez [133]

Answer:

The glucose and the oxygen travel out into the body through the circulatory system to reach cells that need energy. The cells use the glucose and oxygen from the circulatory system for energy production.

6 0
2 years ago
Animals that possess homologous structures probably _____. see concept 26.2 (page 556) view available hint(s) animals that posse
Arte-miy333 [17]
I believe animals that possess homologous structures probably  evolved from the same ancestor. Homologous structures are similar because of common ancestry.  A homologous structure is an example of an organ or bone that appears in different animals, underlining anatomical commonalities demonstrating descent from  a common ancestor. 
8 0
3 years ago
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