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Who discovered that the sugar phosphate backbone of DNA lies on the outside of the molecule and has a helical shape?
James Watson and Francis Crick discovered the double helical structure of DNA in 1953. They found that the sugar-phosphate backbone lies on the outside of the molecule, while the nitrogenous bases are on the inside.
Why are the outside heads of phospholipids located on the outside of the cell membrane?
Tails are Hydrophobic
Is mars located inside or outside the asteroid belt?
Mars is located outside the asteroid belt. The asteroid belt is a region between the orbits of Mars and Jupiter where many asteroids are located.
Is neptune inside or outside?
Neptune is a planet in our solar system and is located outside the orbit of Earth. It is the eighth planet from the Sun.
Is Jupiter an inside or outside planet?
jupiter is an outside planet because it is located outsid the asteroid belt.
What makes up the outside of the dna ladder?
The outside of the DNA ladder is made up of a sugar-phosphate backbone. The sugar in DNA is deoxyribose, which alternates with phosphate groups to form the backbone. The nitrogenous bases are attached to this sugar-phosphate backbone on the inside of the ladder.
Does a tick have a backbone?
No. Ticks have exoskeletons. The support for their muscles is on the outside of the body.
What is an unsatured fat?
A fat molecule is made of a chain of carbon atoms making a "backbone" and a bunch of hydrogens along the outside. In a saturated fat, the carbon backbone has the maximum number of hydrogens it can accept. In an unsaturated fat, the carbon backbone has made one or more double bonds within the backbone and so have less than the maximum number of hydrogens around the outside.
Do houseflies have backbones?
Since flies are insects, they do not have a backbone. They have an exoskeleton instead which is only on the outside.
Is a barnacle a vertebrates?
Barnacles are invertebrates because their shells are outside of their body - they do not have an internal skeleton with a backbone.
What part of the DNA forms the outside ladder structures?
on the outside of the DNA strand is the phosphate and sugar, only the sugar are connected across to the other half with the A&T and C&G
Is a barnacle a vertebrates invertebrates?
Barnacles are invertebrates because their shells are outside of their body - they do not have an internal skeleton with a backbone.
What is located outside the bones?
what it located outside the bone is nerves and blood vessels
Do ant have backbone?
No they do not have backbones.They have outer coverings like us,humans.
Is a dragonfly a vertebrate or invertebrates?
A dragonfly is an invertebrate because it has an exoskeleton on the outside of its body instead of an internal skeleton with a backbone.
Is sugar and phosphate groups from the middle of a nucleic acid chain?
No, sugar and phosphate groups are found on the outside of a nucleic acid chain, forming the backbone of the molecule. The nitrogenous bases are located in the middle of the chain and are responsible for encoding genetic information.
What insects have a back bone?
There are no insects with a backbone because they are not vertabrates. They are in the category of invertabrates. The outside of an insect is hard, because they have an exoskeleton, which means that they have their skeleton on the outside, not the inside.
