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Masja [62]
3 years ago
11

1. Which is NOT an energy type?​

Biology
2 answers:
nirvana33 [79]3 years ago
6 0
Please provide more information in your question
Scilla [17]3 years ago
6 0
I need the whole problem
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What is letter A in the DNA model??
sergeinik [125]

Answer:

adenine (A), cytosine (C), guanine (G), and thymine (T),

Explanation:

8 0
3 years ago
This is a system of organisms or things ranked one above another
Bumek [7]

This is a system of organisms or things ranked one above another

Answer:

Genus

Explanation:

the usual major subdivision of a family or subfamily in the classification of organisms, usually consisting of more than one species.

Hope this Helps

--Jay

5 0
3 years ago
Which of the following samples will have the greatest volume at STP?a. 22 g Neb. 22 g Hec. 22 g O2d. 22 g Cl2 e. All have the sa
sammy [17]

Answer:

22g of He

Explanation:

Volume of gas at STP is given as :

Volume occupied(dm³) = number of moles x 22.4dm³mol⁻¹

In order to solve this given problem, we would first find the number of moles from the different masses of atoms and molecules given.

Number of moles = \frac{mass }{Molar mass}

Now, let us obtain the molar mass of the given atoms and elements:

For Ne; molar mass is the atomic mass = 20gmol⁻¹

      He = 4gmol⁻¹

      O₂ = (16 x2)gmol⁻¹  = 32gmol⁻¹

      Cl₂ = (35.5x2)gmol⁻¹ = 71gmol⁻¹

Number of moles of Ne = \frac{22}{20} = 1.1mol

Volume occupied by Ne at STP = 1.1 x 22.4 = 24.64dm³

       

Number of moles of He = \frac{22}{4} = 5.5mol

Volume occupied by He at STP = 5.5 x 22.4 = 123.2dm³

Number of moles of O₂ = \frac{22}{32}  = 0.688mol

Volume occupied by O₂ at STP = 0.688 x 22.4 = 15.4mol

Number of moles of Cl₂ = \frac{22}{71} = 0.3099mol

Volume occupied by Cl₂ at STP = 0.3099 x 22.4 = 6.94dm³

5 0
3 years ago
Select the incorrect statement regarding macromolecules found in cells.
Otrada [13]

Answer:

The repeating subunits of DNA are ribonucleotides whereas in RNA they are deoxyribonucleotides.

Explanation:

Ribonucleotides are repeating subunit of RNA while the deoxy-ribonucleotides are repeating subunits of DNA. That why RNA full form represent the ribonucleic acid and DNA represent deoxyribonucleic acid.

Actually the word "deoxy" means one oxygen is removed or less in DNA. The DNA  lacks the one oxygen atom of hydroxyl group at carbon number two of ribose sugar. While RNA have the hydroxyl group at carbon number two of hydrogen atom.

The removal of one hydrogen atom in DNA make it more stable than RNA because DNA is made specifically to store genetic information and needed to be strong. The oxygen atom in RNA makes it vulnerable for attack by other biological molecules.

7 0
3 years ago
What is main organ of
sammy [17]
The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord.
7 0
3 years ago
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