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Lina20 [59]
2 years ago
10

In humans, structures that show developmental homology with other chordates are ____.

Biology
1 answer:
4vir4ik [10]2 years ago
6 0
Gill ridges and a bony tail....
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A researcher claimed that he had successfully cultured a type of bacteria that could generate heat from trash. However, no other
kati45 [8]

Answer:

The correct answer is A) Replicability.

Explanation:

The principle of replicability states that the results obtained by a researcher, in certain investigation work, have to be the same for other researchers who are following the same steps. If the experiment cannot replicate under the same conditions, then it's not valid to the scientific community and therefore cannot be published.

4 0
3 years ago
The amount of this protein rises and falls in time with the cell cycle
Eduardwww [97]
Cyclins and cyclin-dependent kinases are responsible for the progress of the cell through the various checkpoints.
7 0
3 years ago
Pepsin, an enzyme that is found in the stomach of humans, functions in breaking down proteins. It is denatured as it travels to
AnnZ [28]

Answer:

A. pH

Explanation:

Denaturation of proteins is a protein whereby the protein molecule loses its primary structure and ultimately its physical functioning as a result of factors including pH, temperature or concentration of chemicals. Based on this definition, it is visible that denaturation of proteins can be caused by these three factors: pH, chemical and temperature.

However, in this case of PEPSIN enzyme, which is a proteinous molecule produced in the stomach of humans and functions in breaking down proteins, its denaturation occurs as it moves along the digestive tract to the intestines. This is as a result of the changes in pH in the digestive tract.

The pH of the stomach where pepsin is produced is acidic i.e. <3.0. However, as one moves towards the intestine, the pH increases, which is unfavorable or considered harsh for the pepsin enzyme. Hence, it gets denatured.

7 0
3 years ago
Compared to the weight of a person at the North Pole, the weight of the same person at the Equator would be
mezya [45]
Anwser is #1 because t<span>he equator is moving faster than the poles and so extends outward a bit due to centrifugal force. That means a point on the equator is a tiny bit farther from the centre of the Earth than the poles. </span>
<span>The gravitational acceleration at the equator is 9.789 m/s^2m, and 9.832 m/s^2 at the pole.</span>
3 0
2 years ago
Put the following in the correct order from smallest (#1) to largest (9)
kobusy [5.1K]

Answer:

atom

Explanation:

3 0
3 years ago
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