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NeX [460]
3 years ago
9

Match each theory of planet formation to its best description

Biology
1 answer:
iVinArrow [24]3 years ago
3 0

The gravitational instability theory suggests that planets form when gas and dust sticks to itself and collapses. The core accretion theory suggests that planets form when a core of rock and ice attracts gases.

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3 years ago
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how do you think earths large temperature gradient affects the speed of its convection currents how would this speed change if e
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7 0
2 years ago
PLEASSSE HELP... DUE QUIZ!! WILL GIVE BRAINLY!! WILL REPORT FAKE LINKS!
olya-2409 [2.1K]

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Explanation: This zone is referred to as the "middle zone" within oceanic waters. Not yet the deep zone, however past the top layer aka upper ocean.

Hope this helps ^^

4 0
2 years ago
What two types of amino acid sequences are needed in a protein to mediate post-translational farnesylation?
Hitman42 [59]

Answer:

Post translation farnesylation may be defined as a type of prenylation in which the isoprenyl group is added to the cysteine residues of the protein. This modification is important for protein and membrane interaction.

Basically two types of amino acid are required for the farsenylation modification. The signal peptide sequence is the short amino acid sequence that targets the ribosome in the endoplasmic reticulum. The sequence is generally lysine, aspartic acid, glutamic acid and leucine. The second sequence must be Caax (C is cysteine, a is aliphatic amino acid and X consists of C terminal amino acid.

8 0
3 years ago
Concerning proton movement in mitochondria and chloroplasts, the __________ have a __________ H+ concentration. Choose one: A. l
umka2103 [35]

Answer: The answer is D - Intramembrane space in mitochondria; high

Explanation:

Mitochondria is an organelle in the cell, it is known as the power House of the cell because of its role in the storage and production of energy. During electron transport chain the proton pumps generate a proton gradient which is stored in form of energy.

During proton pumping and electron transfer the electrons are passed down the chain from the matrix to the inter membrane of the mitochondria. The electrons move from higher concentration of level to lower energy level. Some of these are used to pump Hydrogen ions (H+), moving them out of the matrix into the inter membrane space.

The Intramembrane space of the mitochondria therefore has a a high concentration of Hydrogen ions (H+).

I hope this helps.

4 0
3 years ago
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