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qwelly [4]
3 years ago
11

What are two parts to a controlled experiment

Biology
1 answer:
Zielflug [23.3K]3 years ago
7 0
You can control time in a experiment EX: say you let a plant sit in the sun for 5 hours and then let another plant sit for an entire full 24 hours and see what's the effect well what you controlled there was the time and your dependent variable would be what ever happened to that plant.  so you can control time and you can control speed if its an object that acquires you to exert force. 
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slava [35]

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effery used a stream table as a model to show how water erodes soil. As he sprayed water on the stream table, some of the soil w
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3 years ago
During which section of the geologic time scale did the first modern humans evolve?
ozzi
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Water transportation through a plant stem is an example of?​
Sati [7]
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3 years ago
The relationship of structure to function is one of the major themes in biology. For three of the following structure/function p
Elis [28]

Answer:

The function of  biomolecule inside our body system fully depends on the structure of that biomolecule.It is because the functional groups that participate in a  chemical or biochemical reactions are arranged in a specific array in the structure of that biomolecule or macromolecule.

Explanation:

a enzyme structure/catalysis   Enzymes are proteinecious in nature.Enzyme contain various amino acids in its active site such as histidine,serine,glutamic acid etc The amino acids of the active site of that enzyme interact with the substrate resulting in the formation of the product.

b mRNA structure/protein synthesis mRNA or messenger RNA consist of nucleotide sequence.The 3 concequetive nucleotides of an mRNA is termed as codons.Each codon codes for specific amino acid.The so formed amino acid linked with the adjacent amino acid by peptide linkage.

c cell membrane structure and signal transduction cell membrane contain various surface protein that act as receptor to detect signals by binding with signaling molecule during signal transduction process.

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