All of the same atoms make up elements. It's the arrangement of these atoms that really matters. Your answer is true, an atom that makes up gold will indeed be the same atom that makes up silver.
Atoms are just mostly empty space, in fact about 99.99 infinitely percent of an atom is just empty space. We don't actually touch anything, not really. You never make solid contact with an object, but in fact what you're touching is that objects electrostatic field, or otherwise known as it's electron shell. You don't simply pass through an object because like charges repel eachother, the shell and your atoms, which creates the illusion that you're actually touching the object, when in fact your just touching it's invisible electrostatic shell.
If an atom gains an electron, it will have a NEGATIVE charge. Protons are positive charges, neutrons are neutral charges, electrons are negative charges. Add an electron that out-weighs the net-charge, which is 0, then you'll have an anion, or a negative charge.
The nucleus of an atom is indeed the center of an atom, the most dense area. This carries all of the weight (practically). The nucleus is indeed made up of positive and neutral charges, with an outer shell of negative charges. This is true.
Answer:
a. the second nucleotide is wrong. It is a U but should be an A. No other nucleotides were effected by this, only the one was effected. This is a Point (Substitution) Mutation.
b. the third nucleotide is wrong. It is a T that was inserted. As you can see, the rest of the nucleotides are right, but since the T was added, it will mess up how the rest of the sequence is read. It will be read UAT GGC GAA... instead of UAG GCG AAU... see how it messed it up? This is an Insertion (Addition) Mutation.
c. the second nucleotide was deleted. This is called a Deletion Mutation. It will mess up the rest of the sequence, similar to how the example above did.
I hope that helped you understand!
Answer:
1. Because it is thick and has relatively low density, continental crust rises higher on the mantle than oceanic crust, which sinks into the mantle to form basins. When filled with water, these basins form the planet's oceans.The lithosphere is the outermost mechanical layer, which behaves as a brittle, rigid solid.
3. Earth's inner core is solid because it is under such intense pressure from the weight of the entire planet that its atoms are held together by force. ... ... By contrast, the outer layers of Earth, while being slightly cooler (but still incredibly hot), have less pressure and thus their atomic form reverts to liquid.
4. Scientists have learned about Earth's internal structure by studying how these waves travel through the Earth. The technique is straightforward — it involves measuring the time it takes for both types of waves to reach seismic stations from the epicenter of an earthquake.
<u>Answer:</u>
Neuron - Gangalion - Brain - Central nervous system.
<u>Explanation:</u>
The structural organisation of living tissues starts from cell. A group of cell forms tissues. This group in turn leads to the formation of organs. The group of organs collectively makes up the organs system. The entire organ system makes the body of the organism.
The order of degree of level of organisation can be shown as:
Cell-tissue-organ-organ system-Organism.
In case of the image given in the question, the lowest degree of internal organisation is neuron (cell), which is followed by gangalion (tissue), followed by brain (organ) and finally the highest degree of internal organisation whcih is central nervous system (Organ system).
Hello there!
These structures are called Vestigial Structures.
The Vestigial Structures are those whose original function was lost during evolution. In humans, these structures are the appendix, the coccyx, the wisdom teeth and others.
In animals, examples of vestigial structures are the wings of flightless birds, hind leg bones on whales and pythons and eyes in blind fishes. Those vestigial structures help scientists study the evolution of some species.
