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2 years ago

Are the organelles that process coded genetic messages and assemble amino acids into proteins

Biology

1 answer:

g100num [7]2 years ago

5 0

Answer

Ribosome is an imporatnat cell organelle that play a key role in protein synthesis.

Discovery

Ribosome was discovered by <em>Palade</em> in 1955.

Structural composition

Chemically it is composed of an equal amount of rRNA and proteins, thats why it is also known as ribonucleoprotein.

Sub units of ribosomes

Ribosome is composed of two sub units one is smaller and the other one is larger. Both units are attached with each other with help of Mg atom.

Size of ribosome

In prokaryote the ribosome size is 70S, while in eukaryotes its size is 80S.

Polysome

When many ribosomes are attached to one mRNA strip it is called polysome or poly ribosome.

Role of ribosome

Ribosomes are the sites of synthesis of protein from amino acids.

Mechanism

mRNA which is the exact copy of DNA and formed in transcription come out from nucleus and attached to ribosomes. Now tRNA catch amino acids and come toward ribosome where its anti code match with genetic code of mRNA and then bonded to it. In this fashion a lot of amino acids are accumulated which make bonds with each others. Thus message present on mRNA in the form of genetic codes convert into protein through the process of transliteration.

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Classify each picture as Carbohydrates or Lipids

stepan [7]

Answer:

1. Lipids

2. Carbohydrate

3. Lipids

4. Carbohydrate

5. Lipids

6. Lipids

7. Carbohydrate

Explanation:

Lipids and carbohydrates are two of the four major biological molecules (the other two being proteins and nucleic acids). They (lipids and carbohydrates) are both long chains composed of elements: carbon (C), hydrogen (H) and oxygen (O).

Lipids called triglycerides are majorly made up of building block fatty acids (long hydrocarbon chains with carboxylic acid) and glycerol ( an hydrocarbon made up of three hydroxyll groups).

Carbohydrates, on the other hand, are made up of long chains of carbon, hydrogen and oxygen with aldehyde or ketone functional group. They are composed of monosaccharide building blocks (also called simple sugars) with general formula CH20(n).

Based on the structural composition of lipids and carbohydrates, structures 1,3,5 and 6 are lipids while 2, 4 and 7 are carbohydrates.

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3 years ago

The most common form of color blindness, known as red–green blindness, is an X-linked recessive trait affecting about 8% of the

dangina [55]

Answer:

A) Proportion of females with the trait is less than 8%

B) Proportion of females that would be carriers is greater than 8%

Explanation:

Only the 8% male sufferers can give their diseased X-chromosome for the female XX to be formed. hence, the proportion of the female carriers is most likely greater than 8%

On the other hand, the proportion of female sufferers will be definitely less than 8%, for 92% of the remaining male population are neither carriers nor sufferers; and the 8% male sufferers are strictly needed to give the disease X-chromosome for a female to have the trait XX.

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3 years ago

Which of the following is carried out in the Golgi apparatus of the cell?

Sergeu [11.5K]

It modifies, packages,and sorts proteins that will be secreted into the cell. So synthesis of proteins.

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2 years ago

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What did Robert Hooke look at under a microscope?

Sonbull [250]

Answer:

true is answer hope it help you.