0
What else can I help you with?
How many strands of nucleotides are in DNA?
Thousands upon thousands. Because DNA must contain all the characteristics of your being, it must be long.
What is the scientific term for the shape of the DNA strand?
The name of the shape of DNA is called double helix. There are two long strands of DNA connected in several points. These strands twist and look like a spiral or a spring.
What are DNA strands separated by?
Assuming this is regarding DNA replication or transcription, the enzyme helicase separates the two strands.
Is DNA a single stranded molecule?
Yes, DNA is double-stranded.There are two strands. Each one is a polymer (series) of nucleotides, and the two strands twine round one another to form the DNA molecule.
What does semi-conservative model mean?
Refers to semi-conservative replication of DNA. One strand of the old DNA is used as a template to replicate the other, new, strand of DNA. Thus you have four from two, but two of the four are old strands while the other two strands are new. Thus the name semi-conservative replication.
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.
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.
Is The lagging strand the strands of parental DNA?
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
Does DNA replication take place in the same direction along both strands of the DNA?
No, DNA replication does not take place in the same direction along both strands of the DNA. It occurs in opposite directions on the two strands, known as the leading and lagging strands.
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.
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.
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.
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.
What is birectional replication in DNA?
A DNA molecule has two complementary strands, the top (leading) one is 5' to 3' and the bottom (lagging) one is 3' to 5'. The 5' carbon has a phosphate group linked to it and the 3' carbon has a hydroxyl group. During replication, both strands get replicated however DNA strands due to their molecular structure can only be replicated from 5' to 3' so the lagging strand is replicated in 5' to 3' pieces called Okazaki fragments. However, even with this, replication still happens in both strands, even if in the same direction (5' to 3').
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.
What is ligase?
Ligase is an enzyme that catalyzes the joining of two molecules by forming a bond between them. It plays a crucial role in DNA replication, repair, and recombination by sealing breaks in the backbone of DNA strands. It can be used in molecular biology research to "glue" DNA fragments together during cloning and sequencing processes.
What is Zinn's membrane?
A Zinn's membrane is another name for a ciliary zonule, a ring of strands connecting the ciliary body with the lens of the eye.
