Answer:
Nuclear power plants generate almost one fifth of the electricity produced in the United States. The nuclear power cycle uses water in three major ways: extracting and processing uranium fuel, producing electricity, and controlling wastes and risks.
Explanation:
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Answer:
C. The dark colored moths chose to mutate to become adapted to dark-colored trees.
Explanation:
In the given data, the population of light colored moths decreases in dark colored tress while the population of dark colored moth increases in dark-colored trees.
The concept is based on natural selection in which dark color moths undergo mutation to adapt to dark colored trees. This mutation provide camouflage to dark colored moths and increases their population in comparison to light colored moths.
Hence, the correct option is "C".
<em>One of the important developments in human evolution is Bipedal locomotion
</em>
<u>Answer:</u> <em>C. Bipedal locomotion
</em>
<u>Explanation:</u>
One of the important evolution of humans is the bipedal locomotion. According to the evolutionary relationships, humans are the descendants of chimpanzees. The chimpanzees have quadrupedal locomotion in which they locomote with the help of two hands and two feet.
Humans have evolved and locomote with the help of only two legs and the hands are free to do any work. The evolution occurred due to the changes in gene in the entire population of humans.
Answer:
During punctuated equilibrium, species form as they rapidly adapt to open niches, a process known as adaptive. radiation.
Explanation:
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Answer:
1. CGAGGTT → CGTT (Deletion)
2. ATTCGG → ATTCGGATTCGG (Duplication)
3. CTTAAT → TAATTC (Inversion)
4. CTTAAT → CTTAACGCT (Insertion)
5. CGAT → CTAT (Substitution)
6. CCGGTT + TTAGGC = CCGTTA + GTTGGC (Translocation)
Explanation:
1. CGAGGTT → CGTT (Deletion) ---- This is called deletion because it involves the removal of 3 base pairs (AGG) from the DNA sequence.
2. ATTCGG → ATTCGGATTCGG (Duplication) ---- In this case, the particular sequence (ATTCGG) is copied again or duplicated.
3. CTTAAT → TAATTC (Inversion)----- This is called inversion mutation because the DNA sequence breaks off and is reattached but this time in a reverse order i.e. CTT becomes TTC, placing the last base first and the first base last.
4. CTTAAT → CTTAACGCT (Insertion) ------ This is called insertion mutation because it involves the addition of extra base pairs (CGC) into the sequence. The Insertion occurs between the last A and T nucleotide.
5. CGAT → CTAT (Substitution) ----- This is called substitution because Guanine base is replaced by Thymine in the DNA sequence. It is specifically called a transversion substitution because a purine (Guanine) is replaced by a pyrimidine (Thymine). It is called a point mutation because it involves a single base.
6. CCGGTT + TTAGGC = CCGTTA + GTTGGC (Translocation) ----- in this case, CCGGTT and TTAGGC are sequences on different chromosomes. Portions of sequence on the first chromosome (GTT) and second chromosome (TTA) breaks off and gets reattached/exchanged in each other i.e. the first chromosome gets TTA while the second gets GTT. This kind of mutation is called translocation.
