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zavuch27 [327]
3 years ago
9

blood enters on the left side of the heart through the_____ and enters the left atrium. Then passes through the_____ to enter th

e left ventricle 
Biology
1 answer:
Lapatulllka [165]3 years ago
4 0

Blood enters on the left side of the heart through the pulmonary veins and enters the left atrium. Then passes to the mitral(bicuspid valve) to enter the left ventricle.

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How many different codons can code for the amino acid tryptophan (Trp)?
Minchanka [31]
The chart very nicely lays out the amino acid each codon corresponds to. You're looking for "trp" in the chart, which only appears once, beside the UGG codon. Therefore, only one codon codes for tryptophan.
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What can you findout from the model of a seed
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Which of these is an example of a chemical change?
lawyer [7]

The correct options are, frying an egg and burning candle.

Explanation :

Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.

Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

Frying an egg : It is a chemical change because a new substance is form by heating.

Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.

Boiling alcohol : It is physical change because only changes in the state.

Melting and ice : It is a physical change because only changes in the state.

Making coffee : It is a physical change because no new substance is formed.

Therefore, frying an egg and burning candle are the example of chemical change.

4 0
3 years ago
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4. If one individual is Tt and another individual is tt, which of the following is true?
boyakko [2]
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The fenotype of Tt is given by the dominant character (which is the capitalized one, T) while the fenotype of tt is t (because it is the only one).

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Answer: The two have different genotypes and different phenotypes.

 
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Explanation:

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