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frutty [35]
3 years ago
10

When examining the two complementary strands of nucleotides in one DNA molecule, it would be expected that the sum of ________ i

n one strand would be ________ the sum of the ________ in the other strand.
Biology
1 answer:
leonid [27]3 years ago
4 0

Answer: Purine; is equal to; pyrimidine

Explanation:

When a segment of DNA is examined then the nucleotide in one DNA molecule, it will be expected that the sum of purine in one strand will be equal to the sum of the pyrimidine in the other strand.

Adenine combines with Thymine and Cytosine combines with Guanine in 1:1 ratio.

More specifically the ratio of purine is to pyramidine is 1:1 in an organism. This pattern is seen in both the strands of the DNA.

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You are a reporter working in 2001 who's just been assigned a story on how ciprofloxacin may save the lives of Senate staff expo
Charra [1.4K]

Answer:

Bacterial DNA is a double-stranded helix that has to separate its strands during replication. The unwinding of DNA strands at the replication fork creates twists farther down the helix that need to be relaxed by DNA gyrase. Ciprofloxacin inhibits this enzyme to block DNA synthesis and stop the deadly bacteria from growing.

Explanation:

DNA which stands for deoxyribonucleic acid is the molecules that stores genetic information in most living organisms. For successive reproduction to take place as well as growth to occurs in organisms, the genetic information stored in the DNA must be copied into new cells. This is achieved through the process of DNA replication.

DNA is a double-stranded molecule that is helical in shape. For replication to occur, the double strands has to be separated so that the information stored within can be accessed and then copied. DNA helicases are enzymes which are essential during DNA replication because they separate double-stranded DNA into single strands allowing each strand to be copied. The unwinding of DNA strands at the replication fork creates twists farther down the helix that need to be relaxed otherwise, the DNA strands will break. The enzyme responsible for relaxation these twists is known as DNA gyrase. Thus, any drug like Ciprofloxacin than inhibits DNA gyrase will block the DNA replication process in bacteria thereby stopping the growth of the bacteria.

4 0
3 years ago
Chamges in blood are automatically and routinely made by the body In order to direct appropriate amounts of________and________to
Leviafan [203]

Answer:

What is Oxygen & Nutrients

Explanation:

Changes in blood are automatically and routinely made by the body In order to direct appropriate amounts of OXYGEN and NUTRIENTS to specific parts of the body.

Please allow me to know if I have helped you by clicking thank you, rating or brainly.

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Miss Hawaii

3 0
3 years ago
A. This element has 12 electrons when the atom is electrically neutral.
Furkat [3]

Answer A) Magnesium

The atomic number of magnesium is 12. The atomic mass of magnesium is 24.31 amu. The total number of electrons is 12. The symbol for the element is Mg.

Answer B) Calcium

The atomic number of magnesium is 20. The atomic mass of Calcium is 40.078 amu. The total number of electrons is 20. The symbol for the element is Ca.

Answer C) Nitrogen

The atomic number of nitrogen is 7. The atomic mass of nitrogen is 14.0067 u. The total number of electrons is 7.  The symbol for the element is N.

Answer D) Carbon

The atomic number of carbon is 6. The atomic mass of carbon is 2.0107 u. The total number of electrons is 6. The symbol for the element is C.

Answer E) Mercury

The atomic number of mercury is 80. The atomic mass of  nitrogen is 200.59 u. The total number of electrons is 80. The symbol of the element is Hg.

Answer F) Gallium

The atomic number of Gallium is  31. The atomic mass of Gallium is 69.723 u. The total number of electrons is 31. The symbol of the element is Ga.

7 0
3 years ago
When cattle are dehorn end, the corneal process of which bone is removed
ahrayia [7]
The corneal process of the frontal bone is removed, because a horn is actually just developed around it. This exposes the frontal sinus. That's why it's good to dehorn them while they're young because when older, the bone and the horn join together.
8 0
4 years ago
What do the circled arrows in the image indicate?
Fudgin [204]

Answer:

CO2 released to the atmosphere

Explanation:

8 0
3 years ago
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