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MrRissso [65]
3 years ago
9

The right and left coronary arteries are the first branches off the a. aorta. b. superior vena cava. to. pulmonary trunk. d. pul

monary veins. g
Biology
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer:

answer is A aorta

Explanation:

aorta is the answer

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How many water molecules are needed to degrade a protein that contains 250 amino acids?
alex41 [277]

Answer:

125 molecules

Explanation:

Between two amino acids , one water molecule is eliminated and a peptide bond is formed. When 250 amino acids are joined to form a polypeptide , 125 molecules of water will be removed.

That is, 250/2=125

7 0
3 years ago
What is the mean of the data set [3,2,2,12,6,5,14,4]?<br><br>A.2<br>B.4<br>C.6<br>D.7
zysi [14]

Answer:

6

Explanation:

To find the mean of a data set, add all the values in the set together, and then divide the result by the number of values in the set.

3 + 2 + 2 + 12 + 6 + 5 + 14 + 4 = 48

There are 8 values in the data set.

48/8 = 6

So the mean of the data set is 6.

8 0
3 years ago
That is the opbposite of synthesois reaction
yaroslaw [1]

The two basic reaction types are synthesis and decomposition. ... Decomposition reactions are the opposite of synthesis reactions because they take apart larger molecules and/or compounds. The generic equation for a synthesis reaction is A + B à AB, where A and B are the pieces that make up the compound/molecule AB.

8 0
3 years ago
1. a closed circulatory system is one in which
lys-0071 [83]
Just took the quick check 100%!! Lets keep it 100.

1. B  (Blood flows through a system of blood vessels and throughout the body)
2.C (I<span>n blood vessels and sinuses)
3.B (</span><span>Oysters do not move around, but squid are very active)
4.D (</span><span>It is difficult for single pump to force blood through the entire system of a large animal)
5.A (</span><span>Exchanging carbon dioxide for oxygen from the air)</span>
6 0
3 years ago
Read 2 more answers
Gregor Mendel called the generation created by crossbreeding the parental generation the
Paraphin [41]

Answer:

First filial generation.

Explanation:

Mendel is known as the father of genetics. He formulated the law of segregation and law of independent assortment by working on the pea plant.

The Mendel first crossed the pure breed line parents and obtained the first filial generation. The F1 generation is obtained by the cross breeding of the parental generation.

Thus, the correct answer is option (D).

8 0
3 years ago
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