Your answer is False
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Answer: a. action potential frequency is high enough that no relaxation of muscle fibers occurs.
Explanation:
A tetanic contraction occurs due to repeated stimuli at short intervals. In this situation, the muscle fiber does nor relax and contracts again. It is a process of sustained contraction of muscles, which evoke when the motor nerve innervates a skeletal muscle and emits the action potential at high rate. The muscles become hyperactive in this condition.
"Using the same restriction enzyme for cutting the desired gene and the vector and using ligase for pasting the gene into the vector" is the way this is carried out. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has helped you.
In the ecosystems of the world, there are many evolutionary finds that scientist have been exploring for centuries. In the marine ecosystem, plankton are a form of microevolution. They also migrate, known as vertical migration. This can affect the ecosystem in that during this migration, the heterotrophs consume various micro-organisms.
Answer:
- Restriction enzymes break a phosphodiester bond on both of the DNA strands.
- Two different linear DNA molecules are cut with a single restriction enzyme such that only one end of each molecule is cut and these ends have regions of single stranded DNA. The two different DNA molecules will have compatible ends.
Explanation:
Restriction enzymes are a type of enzyme that recognizes target DNA sequences and cuts them at these specific sites. These enzymes catalyze the hydrolysis of phosphodiester bonds by cleaving double-stranded DNA (dsDNA) sequences at specific sites on both DNA strands. There are restriction enzymes that generate sticky ends (cohesive ends), i.e., small stretches of single-stranded DNA (ssDNA) that self-ligate or ligate with a complementary region from another DNA molecule. Restriction enzymes that generate sticky ends are very useful in molecular cloning and DNA recombination techniques because they can hold two pieces of DNA together so that DNA ligase can covalently link them.
