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Белковая молекула состоит из 150 аминокислот.Средняя молекулярная масса аминокислоты около 110, а нуклеотида 300. Что тежелее белок или определяющий его ген?Представьте решение и обоснуйте ответ
Ответы 1
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150х110=16500 масса белка 150 аминокислот - это 750 нуклеотидов (1 аминокислота-3нуклеотида)значит их масса в белке 225000,значит ген тяжелее.
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Автор:
dearestifdw - 6 лет назад
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Some people have three meals a day, others have four. I usually have four meals.
My first meal is breakfast. I have it early in the morning before going to school. As a rule, I don't feel hungry early in the morning, so I always have a light breakfast. I eat a sandwich with cheese or sausage, or scrambled eggs with a slice of bread and butter. After it I drink a cup of black coffee with a lot of sugar. I am fond of coffee and drink it every day. My sister doesn't like eggs and she usually has a sandwich or a couple of toasts and a cup of tea. But her favourite breakfast is a piece of cake or a fancy- cake left over from yesterday.
My mother usually has no breakfast at all. Sometimes she just drinks a cup of tea with milk and eats a spoonful of jam with a little slice of white bread.
My father likes to have a big breakfast. He usually eats something hot — a piece of roast meat or a cutlet with potatoes or macaroni. He drinks a cup of coffee without sugar: he doesn't like sugar in his coffee.
Some people like porridge for breakfast. They say porridge is very healthy food, and we must begin our day with a plate of porridge.
The English usually have a big breakfast. The traditional English breakfast is a plate of porridge, bacon and eggs and a cup of tea with toast and jam or marmalade.
There are four members in our family, and on week days we have our breakfast at different times. My mother is the first to get up in the morning. She prepares breakfast for the family and wakes up my father. They have breakfast together when my sister and I are still asleep. We are the last to get up, and we have breakfast when father and mother are getting ready to leave home for work.
On Sunday, when everybody is at home, we have breakfast together. For our Sunday breakfast we have the same food as on week days: sandwiches with cheese or sausage, scrambled eggs or soft-boiled eggs. Sometimes we have cottage cheese and sour cream for breakfast. But our favourite Sunday breakfast is pancakes, which we eat with butter or sour cream, with jam or honey.-
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Я слышал,что есть такое специальное местоимение,когда обращаешься к Богу,называется зао
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