3. To maintain stability of a body design,
before a cell reproduces it has to undergo
(1 Point)
copying of DNA
copying of RNA
copying of proteins
copying of enzymes
Answers
Answer:
The copying of DNA during reproduction is important because:
The replication of DNA ensures that each daughter cell formed at the end of cell division, receives equal amount of DNA.
If DNA won't be copied then the daughter cells won't receive all necessary genes.
There may be absence of important proteins which are encoded by DNA, if DNA won't be replicated.
Copying of DNA may result in recombination which will lead to evolution.
Transfer of genetic material from one generation to other makes the organisms to have similar functions.
Stability of population is maintained
Explanation:
The base sequence in one of the strands of DNA is TAGCATGAT.
(i) Give the base sequence of its complementary strand.
(ii) How are these base pairs held together in a DNA molecule?
(iii) Explain the base complementary rule. Name the scientist who framed this rule.
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