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NeTakaya
3 years ago
6

An original DNA strand has the following base sequence:

Biology
2 answers:
SVEN [57.7K]3 years ago
4 0
The base sequence that would be produced through DNA replication would be UGCA. RNA contains three of these bases - (A),(C), and (G) but not (T). Uracil (U) is found in its place and complements adenine (A) instead. I hope my answer has come to your help. God bless and have a nice day ahead!
Tpy6a [65]3 years ago
3 0

Answer:

TGCATTCGA

Explanation:

The DNA replication causes formation of complementary bases to its original nucleotide bases.

Here the available nucleotide base is

ACGTAAGCT

The complementary base pair are -

1. Cytosine (C) pair up with the guanine (G) thorough three hydrogen bonds

2. Adenine (A) can pair up with thymine (T) thorough two hydrogen bonds

Thus, for the given nucleotide bases the complementary bases are - TGCATTCGA

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What is the Molecular mechanism of DNA replication?
kolezko [41]

Answer:

DNA replication a process of copying of a cell's DNA.  DNA replication is semiconservative process which means that each strand in the double helix helps in the synthesis of new, complementary strand and conserve the parent template.

The Molecular mechanism of DNA replication is as following:

  1. The double starnded DN in binded with hydrogen bond, the enzyme helicase opens up the DNA at the replication fork.
  2. A single stranded binding protein prevent the rewinding of DNA and so binds to the DNA around the replication fork
  3. Topoisomerase prevent supercoiling at replication fork.
  4. The ezymes primase come in action and produces RNA primers which are complementary to the DNA strand.
  5. DNA polymerase III help to extends the primers and allow them to add  to the 3' end, to make new DNA.
  6. DNA Polymerase then remove RNA primers and replace with DNA.
  7. DNA ligase blocks the the gaps between DNA fragments.

So, this is the molecuar mechanism of DNA replication.

7 0
3 years ago
You would expect to find ____________ fibers in areas that undergo a lot of stretch and rebound.
Stella [2.4K]
You would expect to find elastic fibers
8 0
3 years ago
X has successfully been transmitted to your body; you are now infected. All of the following among A-D are possible consequences
Natasha2012 [34]

The complete options to the question includes:

A.You never show any symptoms of disease and there is no sign of the pathogen in your body.

B.You exhibit mild symptoms of disease and the levels of the pathogen in your body are quickly reduced and eliminated.

C.You succumb to the worst effects of the disease but survive due to administration of antimicrobial agents.

D.You never show any symptoms of disease, but the pathogen persists in your body.

E.There are no exceptions, A-D are all plausible outcomes.

Answer: The correct option is A (You never show any symptoms of disease and there is no sign of the pathogen in your body).

Explanation:

Infectious diseases occurs when an individuals system is invaded by pathogenic microorganisms (virus,bacteria,fungi and parasite). These microorganisms may or may not cause disease but this depends on the healthy state of the host. They can also be transmitted from one person to another.

To explain the options why all are plausible outcomes when X has successfully been transmitted into the body except A includes:

B) option B can occur when the immune system of the host is able to combat X.

C.) Option C can occur when antimicrobial is given to suppress the activities of X

D) option D can occur when the individual may become an asymptomatic carrier of X. ( Individual shows no symptoms and signs of disease caused by X but the pathogen is still present in the body).

But option A is not possible as X must be present to show there was a transmission.

6 0
3 years ago
Mutations are not always negative. Explain why this statement is true. Provide two reasons using examples to support your answer
Rainbow [258]
2 examples -
1.) in italy, ( limone ) a unique mutation protects them from developing atherosclerosis,
2.)theres mutation in bacteria too, this mutation allows bacteria to survive in the presence of antibiotic drugs, leading to the evolution of antibiotic-resistant strains of bacteria.
5 0
2 years ago
What is the original source of energy for all living organisms on earth?
ki77a [65]

Answer:

sunlight

Explanation:

porque yo quiero

7 0
3 years ago
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