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dimulka [17.4K]
3 years ago
9

Ciri rangka hidrostatik

Biology
1 answer:
tekilochka [14]3 years ago
4 0
Bendalir yang terdapat dalam suatu ruang yang dibalut oleh rangkaian otot....
macam cacing..
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Populations of larus gulls around the north pole show an unusual pattern of reproductive isolation: each population is able to i
Kay [80]
Ring species.

When there are neighbouring populations that can interbreed with each other while only two of those populations cannot breed between them, we are standing before a ring species. In the case of Larus gulls what is observed is that several of these species can interbreed, but it comes to two of them that are incompatible - they are probably to<span> distantly related to interbreed. It is considered, that this species may be connected to each other in a line of derivation and is both ends on that line that are incompatible.</span>
3 0
3 years ago
What would happen to the oceans if continental and oceanic crust had the same density?
levacccp [35]

Answer:

The oceanic crust is formed by partial melting of the mantle at mid-ocean ridges. The continental crust is formed even more cycles of partial melting over time, resulting less dense rocks.

Explanation:

The mantle, oceanic crust, and continental crust all have different compositions due to a process called partial melting.

This is where you start to melt a rock, but don´t melt it all the way.

When you partially melt a rock, certain chemical elements tend to stay in the solid rock while others tend to go into the melted part.

As a result, the rock that forms from that melt is less dense than the original rock.

If you then partially melt that rock, you get a rock that is even lighter.

4 0
3 years ago
A mutation that results in a single amino acid substitution in Ras abolishes its ability to hydrolyze GTP, even when GTPase-acti
Drupady [299]

Answer:

The new drug will not be effective against the treatment of cancer.

Explanation:

The drug will not be effective against the cancer treatment because the drug will inhibit the dimerization of receptor tyrosine kinase (RTK) but as the Ras has undergone mutation due to replacement of one amino acid, it will be constitutively expressed and the drug is not effective in stopping the Ras functioning.

Thus, Gefitinib cannot work against the cancerous cell as it is not potent to stop the functioning of mutant Ras protein.

7 0
3 years ago
Good analogies for cytoplasm
Leviafan [203]
The cytoplasm is the peanut butter in a PB&J sandwich—it holds the sandwich (cell) together
8 0
3 years ago
Read 2 more answers
Name the localized root tissue that makes roots grow longer. (three words, spell out)
charle [14.2K]
The root cap??? I think not for sure though.
7 0
3 years ago
Read 2 more answers
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