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alexgriva [62]
3 years ago
6

What step has not yet been accomplished by scientists researching the origin of life on Earth?

Biology
1 answer:
Andrew [12]3 years ago
4 0
The formation of protobionts that use DNA to direct the polymerization of amino acids have not yet been researched by scientist in order to learn about the origins of life on Earth
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Which animal is a consumer in this food web that feeds at the lowest and highest trophic level of the ecosystem?
goblinko [34]
Grasshopper is the answer
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2 years ago
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What is the type of inheritance shown in the following pedigree? Blue represents no disease symptoms, pink represents having dis
klasskru [66]

Answer:

Explanation:

If the disorder is recessive, neither parent has to have the disorder because

they can be heterozygous. The characteristic features of autosomal recessive inheritance is as follows:-

•Appears in both sexes with equal frequency

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• Affected offspring are usually born to unaffected parents

• When both parents are heterozygous approx. 1/4 of the progeny will be affected

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The given pedigree follows these features. So the correct option is 'Autosomal recessive trait'.

Please correct me If I am wrong :)

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3 years ago
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If the amino acin the protiens of 2 organisms are similar, why will their DNA also be similar?
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If I’m not incorrect, DNA is made from amino acids
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Temporary storage sites in the cytosol for substances such as pigments or nutrients are called?
NemiM [27]

Temporary storage sites in the cytosol for substances such as pigments or nutrients are called inclusions.

Pigments are the compounds that have a certain color and provide color to other structures indie the body. For example in plants chlorophyll is the pigment that provides green color to the leaves and stem. In humans and other animals, the blood consists f red colored pigment called hemoglobin.

Inclusions are the non-living objects inside the cell. They can be anything like pigments or any other molecules, that performs no function inside the cell. They are also called ergastic substances and do not even have any membrane.

To know more about pigments, here

brainly.com/question/12237673

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________ are large lymphatic nodules that are located in the walls of the pharynx.
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tonsils are large lymphatic nodules h are located in the walls of the pharynx
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