DNA and RNA are the two types of gene mutations
Answer:
nonsense codon; shift in reading frame; nonsynonymous codon.
Explanation:
The mutation that affects the single nucleotide of nucleic acid are called as point mutation. It includes substitution, insertion or deletion of single base pair.
- When a premature nonsense or stop codon is inserted in the DNA sequence nonsense mutation occurs such as UAU is replaced by UAA (stop codon).
- A single nucleotide is added or deleted (shift in reading frame) in frame shift mutation.
- The amino acid are changed because of change in codon (nonsynonymous codon) by missense mutation.
- The mutation does not change the codon thus does not change the amino acid (synonymous codon) and does not express it are called as silent mutation.
Answer: The sun is the closest star to Earth. ... It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce.
Answer;
C.Identify each bird species by using a dichotomous key.
Explanation;
-A dichotomous key is a tool that is used to determine the identity of items in an ecosystem or a particular habitat, such as trees, birds, wildflowers, mammals, reptiles, rocks, and fish. To study the interactions of different birds , identifying each birds species using a dichotomous key would be an important and appropriate step.