Answer:
C. Late Precambrian era
Explanation:
Eon refers to two or more geological eras forms an eon. Eon is mainly divided into four eon namely Hadean, Archean, Proterozoic and Phanerozoic. Phanerozoic includes Palaeozoic, Mesozoic and Cenozoic era. Cambrian falls under the <em>Palaeozoic era </em>which was the major turning point the evolution period of geological time scale. The sudden increase in many diversity of animal phyla was evolved during this period. Also, the first land plant was appeared in this period which gave a promising fact that plants will grow on the apt seasonal conditions.
Answer:
Prefrontal Cortex. People who have successfully have their Prefrontal Cortex removed via lobotomy have demonstrated diminished intensity in emotions and a more stable personality. Others described their demeanour as child-like.
Left Hemisphere. Removal of the left hemisphere has been done successfully in the past using a procedure called Hemispherectomy. One case reports a five-year-old who due to seizures had the left part of his brain removed completely.
He went on to live a normal life and even developed some superior skills especially in the area of language.
Occipital Lobe
There is a case with a boy who was only 6 years and 11 months when the removal of the occipital lobe amongst other parts was performed on him. By the time he was 11, his brain had rewired itself.
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Answer:
<h3>
<em><u>Archaea</u></em></h3>
Explanation:
Archaea contains DNA not held in a nucleoid or nucleus. They tend to live in harsh temperatures/climates and are found in thermal vents, and they can survive on certain non-organic substances.
Now bacteria contains a nucleoid which holds the DNA, and Eukarya (plant and animal cells) also have DNA but have membrane-bound organelles that are like nucleus.
When the lac operon controls the expression of proteins in the E.coli cell that can break down lactose into two sugars, glucose and galactose. When lactose is present, it binds to the repressor that typically sits on the lac operon, changing the repressor's conformation such that it can no longer bind to the lac operon. Because of this, RNA polymerase can now transcribe the gene into mRNA, <span>which in turn is translated into the proteins that can break down lactose.</span>
Answer:
A hair follicle anchors each hair into the skin.
Explanation:
The hair bulb forms the base of the hair follicle. In the hair bulb, living cells divide and grow to build the hair shaft. Blood vessels nourish the cells in the hair bulb, and deliver hormones that modify hair growth and structure at different times of life.
