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VashaNatasha [74]
3 years ago
12

Which best describes mitochondrial DNA (mtDNA)?

Chemistry
2 answers:
cricket20 [7]3 years ago
7 0
People have different dna

Debora [2.8K]3 years ago
5 0

Answer:The answer is study of cork bark.

Explanation:

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A second unknown substance has a density of 80 g/cm and a mass of 570g. What is the volume?
Salsk061 [2.6K]

Answer:

25 g

10 cm

3

=

2.5 g/cm

3

Explanation:

6 0
3 years ago
A runner runs for a distance of 350 yards and then runs for an additional 200 m. What is the total difference covered by the run
Rudiy27
Answer: 520.04 meters.

If you convert 350 yards to meters, you get 320.04.

320.04m + 200m = 520.04m.

Take off the .04 if necessary:)
3 0
2 years ago
Determine the correct set-up below to determine what mass, in grams, of N2 is needed to completely react with 105 g F2 ?
neonofarm [45]

Answer:

C: 1 mol F2/38 g F2

Explanation:

The reaction equation is;

N2 + 3F2 = 2NF3

Now, to know how many grams, of N2 is needed to completely react with 105 g F2 and since the molar mass of N2 is 28.02 g/mol, Molar mass of F2 is 38 g/mol, number of moles attached to N2 and F2 in the reaction are 1 and 3 moles respectively, then we will have;

105 g F2 × 1 mol F2/38 g F2 × 1 mol N2/3 mol F2 × 28.02 g N2/1 mol N2

Option C is Thus correct

4 0
3 years ago
Select all that apply.
Y_Kistochka [10]
No chemical bonding take place.
And the elements or compounds in the mixtures have no definite proportions.

8 0
3 years ago
Read 2 more answers
A brief description of atoms and how they relate to<br> molecules and compounds
Wewaii [24]

Answer:

Explanation:

Atoms are the thing that make up molecules and compounds. Molecules contain two or more atoms and are held together by covalent bonds

7 0
3 years ago
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