Answer:
Option B
Explanation:
Flight-or-flight response is a response or physiological reaction towards external stimuli. Systematic desensitization is a methodology to control anxiety during speech. Hence, these two are not relaxation techniques. Transforming novelty into familiarity is also a methodology to remain prepared during a speech by practicing it well. Visualization is a technique that helps our mind to relax by using imagination to reach a relaxed state of mind.
Hence, option B is correct
Answer:
c is just wrong because that is not how evolution works evolution is a small change in the DNA that takes a long time through many many generations not just as you or an organism get older and smarter you are not evolving
B - They have different arrangements of atoms.
Answer:
GUA and GUG.
Explanation:
If you look at the attached genetic code, the wild-type glutamic acid (Glu) is coded by the codons GAA and GAG.
Valine (Val) can be coded by the codons GUU, GUC, GUA or GUG.
Sickle-cell hemoglobin arises from a single mutation, which causes the translation of Val instead of Glu. The only codons that code for Valine that differ in just one base with the Glu codons are GUA and GUG.
Answer:
1.7 x 107 nucleosomes.
Explanation:
The number of nucleosomes can be calculated by the following formula:
Nucleosomes = Genome size/ total number of base pairs.
Here, the genome size is 3.4×109.
Total number of base pair = number of base pairs in nucleosome core particle + linker DNA.
Total number of base pair = 146 + 50 = 196.
Number of nucleosome = 3.4×109 / 196.
Number of nucleosome = 1.7 x 107 nucleosomes.
Thus, the answer is 1.7 x 107 nucleosomes.
