Unsaturated fatty acids are a component of the phospholipids in cell membranes and help maintain membrane fluidity. The Phospholipids contain a variety of unsaturated fatty acids, when compressed, the “kinks” in their tails push adjacent phospholipid molecules away, that helps in maintain fluidity in the membrane. Unsaturated fatty acids have at least one double bond, creating a "kink" in the chain, the absence of double bonds decreases fluidity, making the membrane very strong and stacked tightly.
The ratio of saturated and unsaturated fatty acids determines the fluidity in the membrane at a temperature, at appropriate temperatures the phospholipids have enough kinetic energy to overcome the intermolecular forces holding the membrane together, which increases membrane fluidity.
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Ovaries produce and release two groups of sex hormones—progesterone and estrogen. There are actually three major estrogens, known as estradiol, estrone, and estriol. These substances work together to promote the healthy development of female sex characteristics during puberty and to ensure fertility.
i would say that the answer is ( A )
Answer:
Today, most scientists believe instinct is more important than environment in animal behavior is false, so that's the answer. Enjoy.
Answer:
Nucleus
Explanation:
Protons and neutrons are found in the nucleus.
The answer is 'at the very start (5' end) of the mrna. According to the central dogma, dna -> rna -> protein. messenger rna carries genetic code from dna to be translated into protein by the ribosome. One difference between Rna and dna is that rna has uracil while dna has thiamine bases. Therefore the start codon on mrna will be AUG rather ATG.
