Answer:
An enzyme is a molecule that speeds up a reaction. In the case of DNA reproduction, enzymes not only speed up the reaction, they are necessary for DNA reproduction.
Explanation:
An enzyme is a molecule that speeds up a reaction. In the case of DNA reproduction, enzymes not only speed up the reaction, they are necessary for DNA reproduction.
Recall that DNA is a long strand with a many repeating base pairs. In order for DNA to reproduce, the base pairs must be split apart. One half of the strand is then used as a template to build a new strand of DNA.
The enzyme helicase is responsible for splitting DNA along the base pairs. Helicase moves along the DNA strand unzipping the strand just as a zipper.
Answer:
No sunlight penetrates the Abyssal zone.
Explanation:
I did this on my study guide a while back and got an A for it.
The organelle in the table that correctly matches its function is the ribosome because it produces proteins.
<h3>What is a ribosome?</h3>
A ribosome is an organelle that functions as a protein factory in the cell, whereas vacuoles contain dissolved materials and store water.
Mitochondria are energy producers by the process of cellular respiration, and lysosomes contain hydrolytic enzymes.
In conclusion, the organelle is a ribosome that produces proteins.
Learn more about ribosomes here:
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Answer:
The intracellular ratio of NAD+/NADH ratio is expected to be high because NAD+ act as coenzyme during the catalytic activity of various enzymes such as alcohol dehydrogenase.
Explanation:
The ratio of NADP/NADPH should be low that means the intracellular level of NADPH shouls be greater than NADP.It is because NADPH is used in many biosynthesis process such as fatty acid biosynthesis.
On the other hand NADPH is used as coenzyme during the catalytic activity of glutathione reductase.This catalytic activity of glutathione reductase is very much important to neutralize the toxic effect of reactive oxygen species.
Organ: group of tissues that work together to perform closely related functions
