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sweet [91]
3 years ago
15

HELP PLEASE !!!!

Chemistry
1 answer:
Karolina [17]3 years ago
6 0
C- plastic tubing has been successfully used to repair diseased blood vessels
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1. Quando absorvido pelos pulmões, o monóxido de carbono reduz a habilidade do sangue no transporte do oxigênio pelo corpo. Este
Hoochie [10]
Perdon no te entiendo
3 0
4 years ago
What is the frequency of light that has a wavelength of 10.0 nm?
Arturiano [62]

ν is the frequency.

c is the speed of light.

λ is the wavelength.

ν =  \frac{c}{λ}  \\  \\ ν =  \frac{299792458 \: ms {}^{ - 1} }{10 \times 10 {}^{ - 9} \: m }  \\  \\ ν = 2.997924580 \times 10 {}^{16} s {}^{ - 1}  \\  \\ ν≅3 \times 10 {}^{16} Hz

8 0
3 years ago
Measurement errors do not have a significant impact on the results of a scientific investigation.
Elena L [17]

true i just did this

8 0
3 years ago
Xavier used a chart to list the roles of two different molecules in protein production.
lana66690 [7]

Answer:

Y: tRNA

Z: DNA

Explanation:

This question involves two different nucleic acid molecules that are involved in protein production. Xavier used a chart to highlight the functions these nucleic acids perform during protein synthesis.

- Transfer RNA known as tRNA is a type of RNA molecule found in the ribosomes. It functions to read the mRNA codon and carry corresponding amino acid to the ribosomes for linking with one another. Based on this, "Y" on the chart is a tRNA molecule.

- Deoxyribonucleic acid, also known as DNA, is a molecule found in the NUCLEUS whose function is to store the genetic information in the cell. DNA carries the information needed for the synthesis of protein. Based on this, Z is a DNA molecule.

8 0
3 years ago
Read 2 more answers
Classify the following substituents according to whether they are electron donors or electron acceptors relative to hydrogen by
igor_vitrenko [27]

Species that have a lone pair of electrons often donate electrons by resonance while substituents that are electron deficient take away electrons by resonance.

<h3>What is resonance?</h3>

The term resonace has to do with the movement of electron pairs in a molecule. Inductive effects has to do with the drawing of electron density towards an atom or bond.

The two effects depends on the nature of a substituent. For instance, species that have a lone pair of electrons often donate electrons by resonance while substituents that are electron deficient take away electrons by resonance.

The question is incomplete hence the exact nature of the substituents can not be determined.

Learn more about resonance: brainly.com/question/23287285?

8 0
3 years ago
Read 2 more answers
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