Avery and his group used enzymes to degrade DNA, RNA and protein in 3S bacteria. DNA from those cells was then tested to see if it can convert 3R cells into 3S cells. It was observed that 3R cells were converted to 3S cells except when the DNA was destroyed. Thus, DNA was pin-pointed as the transforming agent.
In 1497 he sailed west from Bristol hoping to find a shorter route to Asia, a land believed to be rich in gold, spices and other luxuries. After a month, he discovered a 'new found land', today known as Newfoundland in Canada.
This was very valuable because John Cabot discovered a foodsource. This food is a type of fish known as cod. Which apparently was so plentiful in the waters surrounding Newfoundland. This was valuable because it soon became a cheap and available source of nutrition for everyone in England and food is hard to come by usually.
HOPE ITS CORRECT
Answer:
Cognitive [Mental Issues] ; Social [Dependency Issues] ; Emotional [Unhappiness issues]
Explanation:
Late Adulthood period is also referred as stage of 'ageing'. It is a challenging period , based on following aspects :
- Cognitive : The 'working memory' that holds multiple pieces of transitory information, reduces - specially for complex tasks. Neurocognitive disorders [Eg - Dementia (forgetfulness) are also common.
- Social : People tend to become dependent on their families, their care takers. The dependency may harm their self esteem, they might feel depressed.
- Emotional : People losing their physical & mental healthy lifestyle, feeling dependent - can make them feel lonely, isolated. It can drastically reduce the zeal of life they have.
