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3 years ago

Why is it important that the seedling’s true leaves grow quickly?HURRY IM BEING TIMED

Biology

1 answer:

tankabanditka [31]3 years ago

6 0

Answer:

The correct answer is - to make food for the seedling’s continued growth.

Explanation:

The true leaves that emerge from the seedlings are the leaves that are capable of performing photosynthesis and start generating food and energy. These support the plant for the rest of its life in terms of food and energy.

Seedlings grow from the soil, two leaves in beginning called cotyledons that are not the true leaves and not able to perform photosynthesis and generate their food for the seedling’s continued growth.

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Where can nervous tissue be found in the body? Check all that apply.

ZanzabumX [31]

Your nerves and muscels and i think brain but im not sure

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3 years ago

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Which layer is only found in capillaries?

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Fenestrated simple squamous epithelium

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4 years ago

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What is a ribosome?

antoniya [11.8K]

Answer:

The correct answer will be option C- A structure upon which proteins are assembled.

Explanation:

A ribosome is a complex molecule machine formed of proteins and rRNA molecules which acts as a site for the synthesis of the proteins.

These ribosomes are present in the cell as a free entity suspended in the cytosol or attached to the endoplasmic reticulum.

Each ribosome is made up of a large and small component which translates the information coded in the mRNA in the form of codons to amino acids which join to form proteins.

Thus, option- C is the correct answer.

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4 years ago

One necessary condition for the evolution of the first life on earth was

Ghella [55]

Answer:

The Presence of Liquid Water

Explanation:

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3 years ago

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Transcription takes place in the ____________. In this process, an enzyme called ______________________ unzips _______ and adds

ladessa [460]

Answers:

Transcription takes place in the nucleus of the cell.
In this process, an enzyme called RNA polymerase unzips approximately 14 base pairs of DNA and adds new nitrogenous bases to the template strand to create a new strand of mRNA.
This new strand has one difference in the base pair rules. In DNA, adenine pairs with Thymine.
In mRNA, adenine pairs with Uracil.

Explanation:

Transcription is the first step of expression of DNA into the protein product. During transcription, the DNA is replicated in the form of RNA (Ribo nucliec acid). It takes place in the nucleus of the cell while the second step of gene expression, translation takes place in the cytoplasm of the cell.

Once the transcription is completed, all the information of a particular DNA segment is obtained in form of RNA segment. RNA contains exactly the same genetic information as contained by DNA, the difference is it has base Uracil in place of Thymine.

The general steps of the translation are six:

An enzyme called RNA polymerase unwinds or unzips a certain segment of DNA.
This unwinding occurs at a specific site called promoter region and forms transcription bubble.
The enzyme RNA polymerase starts to add RNA nucleotides that are complementary wit the specific region of DNA>
RNA nucleotides form the bonds with each other to form a complete sequence of RNA.
The newly synthesized RNA strand detaches from DNA template
Rewinding of DNA occurs and mRNA is ready to go into the next stage of gene expression called Translation.

Hope it helps!

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3 years ago