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schepotkina [342]
3 years ago
5

Why is the fossil record of marine life more complete than that of organisms living in terrestrial ecosystems?

Biology
1 answer:
monitta3 years ago
7 0

Answer:

It is because sedimentation will more often occur in marine ecosystems

Explanation:

Formation of fossils (through the process of fossilization) is a rare event because animal bodies are often eaten and decayed (destroyed by scavengers and decomposed by worms). But, fossilization can be achieved after the quick burial of an animal.

So, for example, dead marine animals might be buried by sediment that is carried by the water. Also, sediment can precipitate on the ocean floor, covering the remaining of dead animals.

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Multiple Select Question
Diano4ka-milaya [45]

The TRUE statements are 'proteins often have more than one transmembrane domain'; 'they are regions of a transmembrane protein that actually pass through the lipid bilayer' and 'they are usually shaped like alpha-helices'.

A transmembrane domain is a membrane-spanning region within a protein. The transmembrane domains are hydrophobic regions that can be inserted into the cell membrane.

The transmembrane domains are usually shaped like alpha-helices.

This secondary structure (alpha-helices) causes the amino acid R-groups to project radially, thereby these side chains can interact with each other.

Proteins need only a single transmembrane domain to be anchored to the membrane, but they often have more than one.

For example, Acyl-coenzyme A cholesterol acyltransferases 1 and 2 (ACAT1 and ACAT2)  have multiple transmembrane domains.

The transmembrane domains are regions of a transmembrane protein that actually pass through the lipid bilayer.

These domains contain amino acids with hydrophobic R-groups that pass through the membrane and interact with the hydrophobic tails of the fatty acid chains present in the lipid bilayer.

The transmembrane domains anchor transmembrane proteins to the lipid bilayer.

The interactions between amino acids of the transmembrane domains and fatty acids in the lipid bilayer help to anchor transmembrane proteins and stabilize the cell membrane.

Learn more in:

brainly.com/question/9444547?referrer=searchResults

6 0
1 year ago
6. Which type of ice is responsible for sea level rise? *
Sliva [168]

Answer:

Sea Ice

Explanation:

7 0
2 years ago
Describe the formation of an ionic compound.
natta225 [31]
Isn't this Chem?
a non metal and a metal
a metal transfers electrons to the non metal
the non metal gains electrons and becomes an anion (a negatively charges ion)
and the metal loses electrons and becomes a cation (a positively charged ion)
5 0
3 years ago
All of the above'<br>'<br>'<br>'<br><br>]<br>l]p[][p][
SIZIF [17.4K]

Answer:

ummmmmm ok

Explanation:

6 0
2 years ago
What are the elements of the water cycle?
12345 [234]

Answer:

Evaporation, Convection, Precipitation, and Collection are the main ones.

Explanation:

hope this helps

have a good day

5 0
2 years ago
Read 2 more answers
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