The enzyme DNA polymerase is responsible for linking the nucleotides in a new DNA strand.
Before replication of DNA occurs, the DNA double helix is first unwound, after which the two strands must be separated much like the two sides of a zipper by breaking the weak hydrogen bonds that link the paired bases.
The unwound DNA strands are held apart to expose the bases so that new nucleotide partner can hydrogen-bond to them. It is DNA polymerase that moves along the exposed strand, joining newly arrived nucleotides into a new DNA strand by linking paired bases by hydrogen bonds.
DNA polymerase is the enzyme that adds nucleotides to a new DNA strand, facilitating the hydrogen bonding between these nucleotides and their complements on the template strand. However, it's not responsible for the actual hydrogen bonding--it simply places the nucleotides in the right positions for bonding to occur. The replication process is completed when DNA ligase seals the gaps between Okazaki fragments on the lagging strand.
The enzyme responsible for facilitating the hydrogen bonding between nucleotides in a new DNA molecule is DNA polymerase. This enzyme adds nucleotides in the 5'-3' direction during DNA replication, matching each nucleotide to its complementary base on the template strand. It's important to note that DNA polymerase doesn't actually form the hydrogen bonds between the base pairs. Rather, it positions the nucleotides in such a way that they can form hydrogen bonds with their complements on the template strand.
The process begins when the DNA molecule is opened up by other enzymes, breaking the hydrogen bonds between the nitrogenous bases. Once separated, DNA polymerase begins to add nucleotides to the growing strand. Hydrogen bonds then form between the base pairs, but DNA polymerase isn’t responsible for this bonding—it simply places the nucleotides in the proper positions for these bonds to occur.
Finally, DNA ligase seals the gaps between Okazaki fragments on the lagging strand, creating a continuous DNA strand. This process of nucleotide addition, hydrogen bonding, and ligation allows for the replication of the double-stranded DNA molecule, with each new molecule containing one original strand and one new strand.
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b. partly moveable joints.
c. movable joints.
d. none of the above
Answer:
Low biodiversity
Explanation:
Phosphorus cycles between living things and the SOIL
Explanation:
Phosphorus flows in a cycle within rocks, water, soil and sediments, and organisms. The phosphorus cycle is the biogeochemical cycle that represents the action of phosphorus within the lithosphere, hydrosphere, and biosphere. Phosphorus is an essential element for all sorts of life. As phosphate (PO4), it delivers up an essential part of the structural core that holds DNA and RNA mutually.
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Phosphorus cycles between living things and the Soil
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Answer;
The enzyme pectinase speeds up the breakdown of pectin in fruits, producing more juice.
Explanation;
-Enzyme pectinase speeds up the break down of pectin in plant walls, thus creating more juice.
-Pectinase is an enzyme that catalyzes the breakdown of pectin, a component of the cell wall in fruits such as apples and oranges.
-It is used for multiple purposes during the manufacturing process of our favorite juices.
-It clarifies naturally cloudy juices, improve the aroma, extracts more colors, and is often used in the preparation of berries, tropical fruits, and apples & pears.
Answer:
D
Explanation:
How worn out and weatherd the rocks are inside and outside the rock!
So far scientists have not found a way to determine the exact age of the Earth directly from Earth rocks because Earth's oldest rocks have been recycled and destroyed by the process of plate tectonics. If there are any of Earth's primordial rocks left in their original state, they have not yet been found. Nevertheless, scientists have been able to determine the probable age of the Solar System and to calculate an age for the Earth by assuming that the Earth and the rest of the solid bodies in the Solar System formed at the same time and are, therefore, of the same age. The ages of Earth and Moon rocks and of meteorites are measured by the decay of long-lived radioactive isotopes of elements that occur naturally in rocks and minerals and that decay with half lives of 700 million to more than 100 billion years to stable isotopes of other elements. These dating techniques, which are firmly grounded in physics and are known collectively as radiometric dating, are used to measure the last time that the rock being dated was either melted or disturbed sufficiently to re homogenize its radioactive elements.
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