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which statement about dna replication is correct?
A. the leading strand is one of the strands of parnetal Dna
b. the leading strand is built continuously, and the lagging strand is built in pieces
c. the lagging strand is one of the strands of parental Dna
d. Dna ligase helps assemble the leading strand
e. the lagging strand is built continuously
What else can I help you with?
What is the definition of a lagging strand?
A lagging strand is one of two strands of DNA found at the replication fork, or junction, in the double helix; the other strand is called the leading strand. A lagging strand requires a slight delay before undergoing replication, and it must undergo replication discontinuously in small fragments.
Why does Dna have both leading and lagging Strands?
The lagging strand is called the lagging strand because, unlike the leading strand, DNA polymerase can not replicate in a 5' to 3' uninterrupted flow on this strand. Remember, DNA has two strands that run ANTIPARALLEL, one to the other; in other words they run in opposite directions.
Which of the following statements best explains why the leading and lagging strands are synthesized using two different mechanisms?
The leading strand is created continuously, but the lagging strand is created as small fragments, known as Okazaki fragments. These fragments are later joined together to form one complete strand.
Which statement best describes strand characteristics as it relates to DNA replication?
Strand characteristics in DNA replication refer to the direction in which new DNA strands are synthesized. DNA replication is semi-conservative, meaning each new DNA molecule consists of one original (parental) strand and one newly synthesized (daughter) strand. The strands are antiparallel, with one strand running 5' to 3' and the other running 3' to 5'.
What characteristic of DNA allows two connected DNA polymerases to synthesize both the leading and lagging strands?
The antiparallel nature of DNA strands allows for simultaneous synthesis of leading and lagging strands. One polymerase moves in the 5' to 3' direction along the leading strand, while a second polymerase moves in the opposite direction on the lagging strand to create short Okazaki fragments.
What is the definition of a lagging strand?
A lagging strand is one of two strands of DNA found at the replication fork, or junction, in the double helix; the other strand is called the leading strand. A lagging strand requires a slight delay before undergoing replication, and it must undergo replication discontinuously in small fragments.
Why does Dna have both leading and lagging Strands?
The lagging strand is called the lagging strand because, unlike the leading strand, DNA polymerase can not replicate in a 5' to 3' uninterrupted flow on this strand. Remember, DNA has two strands that run ANTIPARALLEL, one to the other; in other words they run in opposite directions.
Is RNA polymerase used in both leading and lagging strands of DNA replication?
No, RNA polymerase is not used in both leading and lagging strands of DNA replication. RNA polymerase is responsible for transcribing DNA into RNA during gene expression, while DNA polymerase is responsible for synthesizing new DNA strands during replication. DNA polymerase is used on both the leading and lagging strands during DNA replication.
Which of the following statements best explains why the leading and lagging strands are synthesized using two different mechanisms?
The leading strand is created continuously, but the lagging strand is created as small fragments, known as Okazaki fragments. These fragments are later joined together to form one complete strand.
How many strands are replicated in DNA replication?
During DNA replication, two strands of the double-stranded DNA molecule are unwound and each strand serves as a template for the synthesis of a new complementary strand, resulting in the formation of two new DNA molecules, each composed of one original strand and one newly synthesized strand.
Which statement best describes strand characteristics as it relates to DNA replication?
Strand characteristics in DNA replication refer to the direction in which new DNA strands are synthesized. DNA replication is semi-conservative, meaning each new DNA molecule consists of one original (parental) strand and one newly synthesized (daughter) strand. The strands are antiparallel, with one strand running 5' to 3' and the other running 3' to 5'.
What characteristic of DNA allows two connected DNA polymerases to synthesize both the leading and lagging strands?
The antiparallel nature of DNA strands allows for simultaneous synthesis of leading and lagging strands. One polymerase moves in the 5' to 3' direction along the leading strand, while a second polymerase moves in the opposite direction on the lagging strand to create short Okazaki fragments.
Parental strands of DNA separate serve as a template and produce DNA molecules that have one strand of parental DNA and one strand of new DNA During what?
This process occurs during DNA replication, which takes place in the S phase of the cell cycle. As the parental strands separate, each serves as a template for synthesizing a new complementary strand, resulting in two DNA molecules, each containing one original (parental) strand and one newly synthesized strand. This semi-conservative mechanism ensures that genetic information is accurately passed on to daughter cells.
In the replication of DNA what is the name of the enzyme which joins the lagging strands together?
The enzyme responsible for joining the Okazaki fragments on the lagging strand during DNA replication is DNA ligase. DNA ligase helps to seal the nicks between the newly synthesized Okazaki fragments, creating a continuous strand of DNA.
DNA strands separate and produce both parental DNA and new DNA during?
DNA strands separate and produce both parental DNA and new DNA during the process of replication. This occurs in the S phase of the cell cycle, where the double helix unwinds and each strand serves as a template for synthesizing a complementary strand. The result is two identical DNA molecules, each containing one original (parental) strand and one newly synthesized strand, a process described as semi-conservative replication.
Compare the leading and lagging strands during replication?
The leading strand is synthesized continuously in the 5' to 3' direction, making replication faster and more efficient. The lagging strand is synthesized discontinuously in short fragments called Okazaki fragments, which are later joined together by DNA ligase. This process of replication is slower and requires additional steps compared to the leading strand.
Does dna ligase help assemble the leading strand?
No, DNA ligase does not help assemble the leading strand. DNA ligase is primarily involved in the final stages of DNA replication, where it seals the nicks in the phosphodiester backbone between Okazaki fragments on the lagging strand. DNA polymerase is responsible for assembling both the leading and lagging strands during DNA replication.
