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juin [17]
2 years ago
15

What is circuit........​

Biology
2 answers:
dlinn [17]2 years ago
4 0

Answer:

A circuit is a closed loop that electrons can travel in. A source of electricity, such as a battery, provides electrical energy in the circuit. Generally, there is some appliance that uses electricity in the circuit. The appliance may, for example, provide light or heat or mechanical energy.

Explanation:

alexandr1967 [171]2 years ago
4 0

Answer:

<em>Defination-:</em>

A circuit is a closed loop that electrons can travel in.

<em>Types-:</em>

An electric circuit has three parts: An energy source – like a battery or mains power. An energy receiver – like a lightbulb. An energy pathway – like a wire.

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Balance the following ecosystem.<br> 100 50 10<br> bushes zebras lions
AVprozaik [17]

Answer:

Im pretty sure the correct answer would be the way it is listed.

100 Bushes, 50 Zebras, and 10 Lions.

Explanation:

Only 10 lions because they are at the top of the food chain, and 100 bushes because they are at the bottom.  

I hope this helps :)

4 0
3 years ago
Which component is affected when a catalyst is added to a chemical reaction? the amount of substrate the activation energy the a
mote1985 [20]

The right answer is the activation energy.

The catalyst increases the reaction rate by introducing new reaction paths (mechanism), and lowering its activation energy, or activation Gibbs free energy. By doing this it can increase the speed, or lower the temperature of the reaction. It is important to note that the catalyst does not alter the total Gibbs free energy of the reaction which is a system state function and therefore has no effect on the equilibrium constant.

7 0
3 years ago
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A model of a DNA molecule is shown below. The arrow indicates...
matrenka [14]

Answer:

The hydrogen bond between complementary nucleotides (C)

Explanation:

Hope this helped

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3 years ago
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Cite the three main types of RNA and describe briefly the function of each.
sveticcg [70]

Answer:

mRNA: Carry genetic information from DNA to protein; serve as template for protein synthesis.

tRNA: Serves as adapter molecule and deliver specific amino acid from the cell pool to the mRNA-ribosome complex.

rRNA: Structural component of ribosomes.

Explanation:

There are three types of nongenetic RNAs: mRNA, tRNA, and rRNA.  

1. The messenger RNA (mRNA) is formed by the process of transcription in the nucleus. Transcription uses template strand of DNA to specify the nucleotide sequence in mRNA. The mRNA enters cytoplasm to join ribosomes. The nucleotide sequence of mRNA serves as a template and specifies the amino acid sequence of proteins.  

2. The transfer RNA (tRNA) serves as an adapter molecule during the process of protein synthesis and binds to the specific amino acids to deliver them to the protein-synthesizing machinery. The anticodon of tRNA binds to the complementary mRNA codons.  

3. The ribosomal RNA (rRNA) serves as structural components for ribosomes. Each of the subunits of ribosomes is made up of rRNA and proteins.  

8 0
3 years ago
Jack bought a small turtle. Three months later, the turtle had grown to twice its original size. Which of the following statemen
Triss [41]

Answer:

he feeds his turtle then it ggrows

Explanation:

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