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Romashka [77]
3 years ago
10

How do scientists continue to gain a better understanding of the structure of atoms?

Biology
1 answer:
Brums [2.3K]3 years ago
3 0
The correct option is BY CONDUCTING EXPERIMENTS THAT EXPOSE THEIR PROPERTIES.
Scientific investigations are always ongoing in all parts of the world, scientists strive to build on existing knowledge by carrying out more experiments that are targeted at obtaining more information above that which is already known.
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Explain how DNA polymerase "proofreads" a new DNA strand
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 <span>In bacteria, DNA polymerase adds an incorrect base to a growing strand of DNA about once in every 100 000 bases added. The result is a mismatch such as the pairing of A with C. 


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3 years ago
Refer to the paragraph about the formation of the isthmus of panama. the sister populations on opposite sides of the isthmus are
Dimas [21]
The answer is reproductive isolation. Reproductive isolation ensures members of different species do not produce offspring. In this case, geographical separation is ensuring that individuals from the two different populations are not able to mate with each other. Eventually, through different selective pressures, the two populations will diverge sufficiently in genotype to become distinctly different.
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3 years ago
Learning Task No. 2: Copy and complete each statement. Choose from the
Lunna [17]

Answer:

1. Aorta

2. Left atrium

3. Right ventricle

4. The pulmonary artery

5. Left ventricle.

Explanation:

The aorta is the main artery of the body that carries the oxygen-rich blood to all the body parts except the lungs from the left ventricle. It is divided into main coronary arteries or blood vessels.

The left atrium is one of the heart chambers, it is located in the upper part of the heart on the right side that receives the oxygenated blood from the lungs through the pulmonary vein.

The right ventricle is the chamber of the heart that pumps the deoxygenated blood to the pulmonary valve to MPA to the lungs to get oxygenated.

The pulmonary artery or the main PA (MPA) carries the oxygen-depleted blood from the right ventricle into the lungs, where blood becomes oxygenated.

The Left ventricle is the thickest muscle chamber of the heart responsible for the pumping oxygen-rich blood to the circulatory system and to the body through the aorta.

8 0
3 years ago
The original source of ALL energy for living organisms is ___________, while the most direct, useable source of energy to be use
denpristay [2]

The correct answer is option C

The original source of energy is the sun while most of the energy in the organisms is used in the form of energy. The energy from the sun is used by the green plants to make food by the process of photosynthesis and this food is used by the human beings and animals. The energy in animals and human is in the form of ATP.

7 0
3 years ago
Read 2 more answers
The microsporidian Brachiola gambiae parasitizes the mosquito Anopheles gambiae. Adult female mosquitoes must take blood meals f
aalyn [17]

Answer:

The correct answer is B. 1, 2, and 4

Explanation:

Option no 1 is true because before maturity, the mosquitoes will not be able to cause malaria and will be easier to kill.

Option no 2 is true because in order to ensure a safe control, the Brachiola gambiae shouldn't be dangerous to other animals or insects.

Option No 3 is not true because Mosquito larvae will contain the male larvae also. As the male larvae are not harmful, hence their growth shouldn't be stopped or they should not be killed.

Option No 4 is correct because before applying any controlling measures for a problem, it should always be kept in mind that it should not have negative effects on other food systems.

Answer No 5 is false because as the females Anopheles are harmful, they should be killed. The male Anopheles are not harmful hence, they should not be killed.

8 0
3 years ago
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