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myrzilka [38]
2 years ago
13

The diagram shows the box for an element in the periodic table.

Biology
1 answer:
PolarNik [594]2 years ago
6 0

Answer:

13

Explanation:

The atomic number for Aluminum (Al) is 13. If you have access to the periodic table, this would've taken a few seconds.

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How does rough ER from smooth ER?
irinina [24]

Answer:

Rough endoplasmic reticulum differ from smooth endoplasmic reticulum by the presence and absence of ribosomes in their surface.

Explanation:

Rough endoplasmic is named so because RER contain ribosomes at their surface and due to the presence of ribosomes rough endoplasmic reticulum play an importnt role in protein synthesis or translation.

 Whereas smooth endoplasmic reticulum does not contain any ribosome in its surface.smooth endoplasmic reticulum helps in the biosynthesis of lipid and steroids along with detoxification of toxic compounds.

3 0
3 years ago
Explain the term "molecular clock" and describe the types of measurements and comparisons that can be made with this type of clo
arsen [322]

Answer:

In biology, a molecular clock can be described as a method to determine the time for the divergence of species which occurred by the process of evolution.

Explanation:

The mutation rates of different molecules are used in this method. The mutation rates for DNA sequences and amino acid sequences are usually considered. The molecular clock can be used to compare and estimate the splitting of a lineage. For example, by this method, one can interpret when the chimpanzees and humans diverged from each other.

Hope this helped!

-Toshino

5 0
3 years ago
calculate the quantity of electrical energy used by an electrical bulb rated 60 Walt's used for 2hours​
ivanzaharov [21]

Answer:

0.12KWH

Explanation:

Time: 2hrs

Power: 60watt

60/1000

Formula: Energy=potential/time

0.06×2= 0.12KWH

6 0
2 years ago
1.<br> How much thermal energy is required to melt 4.525 mol of ice at 0°C to liquid water at 0°C?
svetoff [14.1K]
Formula to create heat of fusion (hof) i q=m•/\Hf
to get the amount of heat energy you need to
however much you have gxj/g
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3 years ago
What type of energy breaks the bonds in the water molecules
9966 [12]

Answer:

kinetic energy

Explanation:

5 0
3 years ago
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