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Leya [2.2K]
1 year ago
9

Why are lipids and proteins free to move laterally in membranes?

Biology
1 answer:
Rashid [163]1 year ago
8 0

Correct option C) Hydrophilic portions of the lipids are in the interior of the membrane.

Lipids and proteins free to move laterally in membranes because both are inserted into a fluid lipid bi-layer and they are able to diffuse laterally through the membrane.

Lipid Composition of Cell Membranes is a important property of lipid bilayers which is behave as two-dimensional fluids where individual molecules are rotate and move freely in lateral directions

Membrane proteins and phospholipids both are unable to move back and forth between the inner and outer leaflets of the membrane at an appreciable rate. Phospholipids in the lipid bilayer can either move rotationally, laterally in one bilayer, or undergo transverse movement between bilayers.

To learn more about Cell Membranes here

brainly.com/question/13524386

#SPJ4

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PLS HELP
Sav [38]

when changes in a protein appear to accumulate at a constant rate over time is called option (c) i.e, Molecular clock.

<h3>What does molecular clock mean?</h3>

The term "molecular clock" refers to a method that estimates the time in prehistory when two or more life forms diverged by analyzing the mutation rate of biomolecules. Typically, nucleotide sequences for DNA, RNA, or amino acid sequences for proteins serve as the biomolecular data for these calculations.

Hedges, a biology professor at Penn State, claims that the molecular clock counts the mutations that accumulate through time in the gene sequences of various species rather than counting seconds, minutes, and hours.

Mutation and recombination, the two fundamental biological processes that give rise to all heritable variations, are the foundation of molecular clocks. Mutations are modifications to the genetic code of DNA, for as when the nucleotide Guanine (G) turns to Thymine (T).

To know more about molecular clocks refer to:  brainly.com/question/8597562

#SPJ1

7 0
2 years ago
Why do some animals eat their own kind​
kirza4 [7]
Hi, I hope you’re having/ had a good day

To answer your question, some creatures inflict all manner of horrible torments on others in order to feed and reproduce, or even just to play. Many species across the animal kingdom are cannibals, eating members of their own species for sustenance or dominance

Hope that helps :)
7 0
3 years ago
I’ll give you brainliest pls this is due tmr!!
AleksandrR [38]
The element is Manganese. Period I believe is boiling point and group is melting point.
4 0
3 years ago
Read 2 more answers
Which of the following is not a similarity between green algae and plants
Dafna11 [192]
Do you have options to pick from
4 0
3 years ago
Plant Cell Writing Prompt
jeka94

Answer:

Plant cell

Explanation:

Cell wall: cell wall is only found in plant cell . it is made up of cellulose. it's function is to give shape to the cell and protect the delicate inner parts of the cell. this cell is fully permeable. it means it will allow all substance to pass in. cell membrane is made up of protein and lipids. it's function is to control what comes in and out of the cell. this membrane is selectively permeable. it means it allows some substance to pass in and others don't. cytoplasm is large sac like structure. most chemical process occur here. chromoplast are the green pigments.

cell wall is only found in plant cell . it is absent In animal cell . the neucleus in the plant cell contain a pigments haemoglobin, which contain genetic information to the cell .

3 0
3 years ago
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