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bonufazy [111]
2 years ago
8

1. What is energy?

Biology
1 answer:
eduard2 years ago
4 0
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.
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Lotions applied during winter season moisturize the skin very quickly. What could be the reason for this?
MrRissso [65]

The right answer is D.

The absorption of molecules at the level of the skin is carried out by passive diffusion for the molecules of low molecular weight (lower than 400 Da), the skin being covered with a lipoprotein film rich in water by its stratum corneum, rendering it little-permeable.

This absorption may be variable according to factors related to the skin such as stratum corneum's thickness, the state of hydration, the presence of cutaneous lesions or individual variations.

External factors may also modulate percutaneous absorption such as contact time, iontophoresis or the presence of specific adjuvants.

8 0
2 years ago
Why do scientists believe Neanderthals had some interbreeding with AMHs?
Gelneren [198K]

Explanation:

However, in 2016 researchers published a new set of Neanderthal DNA sequences from Altai Cave in Siberia, as well as from Spain and Croatia, that show evidence of human-Neanderthal interbreeding as far back as 100,000 years ago farther back than many previous estimates of humans' migration out of Africa (Kuhlwilm Dec 11, 2020

5 0
2 years ago
Aquaporin-1 exists in the cell membrane as a tetramer. Each monomer is a water channel that can hold 4 molecules of water at a t
mr_godi [17]

Answer:

16

Explanation:

Aquaporin 1 is a protein coding which exists as a tetramer {a tetramer is an oligomer formed from four monomers}. It functions as a molecular water channel proteins and also a non-selective cation channels. Each monomer in a complete aquaporin complex can form four (4) water molecules. As such, there will be sixteen (16) molecules of water present in an Aquaporin-1 Complex.

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2 years ago
An atom of element A has 64 protons. What would the element's atomic number be?
Lera25 [3.4K]
Protons are equal to atomic number. Meaning the answer would be 64.
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2 years ago
Which of the following would have resulted from the functions of prokaryotes on early Earth?
Aliun [14]

Answer:

More nitrogen gas became present in the atmosphere

8 0
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