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3 years ago

What is the role if DNA in determining an organism's traits

1 answer:

3 0

Everything. DNA contains genes and which genes a person has determines which (if any) proteins are formed. Based on how much of a protein is formed determines how strong a trait is expressed. DNA is the genetic material that contains genes. genes contain information about an organisms trait. hope this helps :)

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I'm not 100% sure of the answer. Explanations are highly appreciated.

PolarNik [594]

Answer:

The correct answer is

$\Delta H=2(1072)+498 -4(799)$

Explanation:

Enthalpy of reaction :

It is the amount of energy released/absorbed when one mole of the substance is formed from the reactant at a constant pressure.

The enthalpy of a reaction can be calculated using :

$\Delta H=\Delta H_{reactants}-\Delta H_{products}$

$2CO+O_{2}\rightarrow 2CO_{2}$

$\Delta H_{reactants}=2(C\equiv O)+O=O$

$\Delta H_{reactants}=2(1072)+498$

$H_{products}=2(2\times C=O)$

$H_{products}=4\times 799$

$\Delta H=\Delta H_{reactants}-\Delta H_{products}$

$\Delta H=2(1072)+498 -4(799)$

$units = \frac{kJ}{mole}$

Please note that :

The carbon monoxide , CO should be taken as C triple bond O. Not C=O .

So , the bond energy =1072 is used

$\Delta H=2(1072)+498 -4(799)$

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4 years ago

The cell of your body need energy to carry out life function. Which of the following body responses is a sign that your cells ne

Shkiper50 [21]

B is my pick that's what I think

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3 years ago

Which of the following systems has potential energy only?

bagirrra123 [75]

Answer D

Explanation:

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3 years ago

Which description applies to a physical property? Choose the correct answer

choli [55]

Answer:

the third one, measured or observed without changing the identity and composition of matter. because physical property does not under go any change but can be put back.

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3 years ago

SOME ONE HEEEEELLLLPPPPPPPP PLEAAASEEE

stellarik [79]

Answer:

look up chemical board it will help you

Explanation:

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3 years ago