Jack should arrange the beads close together and slide past each other to represent water molecules in a liquid.
<h3>How are the molecules of water arranged when water is in its liquid phase?</h3>
- Each water molecule contains two atoms of hydrogen and one atom of oxygen, arranged such that one side of the molecule (nearest the hydrogens) is positively charged while the other side (nearest the oxygen) is negatively charged.
- They’re arranged randomly, and in random motion.
- In fact, they’re not even keeping the same hydrogen atoms, as they are constantly popping off and reforming on the nanosecond time scale.
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Answer:
D. Macromolecules
Explanation:
Lipids and proteins are both types of macromolecules. Macromolecules are molecules made up of more than one atom, and they are larger than other types.
Answer:
B) 300
Explanation:
There are two types of alleles present for wing type in this population of Drosophila, c and c+. Various combinations of these two alleles will produce different phenotypes.
c+c+ : straight wings = 45
c+c: straight wings = 70
cc: curly wings = 35
Total flies = 150
Each fly has one gene with two alleles for wing type. Hence 150 flies will have 300 alleles in the gene pool.
Answer:
16.Difference between a Bar Magnet and a Solenoid
The bar magnet is a permanent magnet whereas a solenoid is an electromagnet ie, it acts like a magnet only when an electric current is passed through. ... The poles of the bar magnet are fixed whereas for a solenoid the poles can be altered.
17.When you press a doorbell button, you complete an electrical circuit that allows household electricity to flow through the doorbell's internal electromagnet. The magnetic field generated by the electromagnet is then used to power a mechanism that creates the doorbell sound. Doorbells are low-voltage devices.
Explanation:
Answer:
Explanation:
1.
the series of processes by which carbon compounds are interconverted in the environment, involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.
