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mario62 [17]
3 years ago
5

(I will cashapp 5$)

Biology
1 answer:
julia-pushkina [17]3 years ago
3 0
I think this is b not really sure
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How does blood travel from your heart to your limbs, such as your arms and legs?
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A

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A scientist is studying the action of RNA polymerase during transcription. He wants to know what type of bases are added to the
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A process of copying DNA sequence into messenger RNA (mRNA) is called transcription. RNA polymerase is an enzyme involved in this process. First, it binds to DNA and separates its two strands. Then, it adds ribonucleotides to the complementary nucleotides on DNA strand and, thus, it makes mRNA from DNA. Afte RNA polymerase de-attaches from DNA strand, transcription of mRNA stops and mRNA is now free. 
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A child watches an older sibling playing with a ball but makes no effort to participate in the play. Which social character is t
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Onlooker play

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2 years ago
How do cell membranes differ from cell walls?
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Here are some of the differences I find  

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\begin{array}{ll}\textbf{Cell membranes} & \textbf{Cell walls} \\\text{Consist of lipid bilayer} & \text{Consist of peptidoglycans, cellulose,or chitin} \\\text{Semipermeable} & \text{Permeable} \\\text{Thin} & \text{Thick} \\\text{Flexible} & \text{Rigid} \\\text{In animal and plant cells} & \text{Only in plant cells} \\\end{array}

The red arrows in the diagrams below point to these structures in animal and plant cells.

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4 years ago
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