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Does active transport require a transport protein?

Active transport requires the use of ATP because in active transport things move against the concentration gradient. Usually there is a protien pump (which is a form of a transport protien) that does this.


What is the small network of tubes that make proteins in a cell?

ribosomal^^^^ noo. cytoskeleton.cytoskeleton: Thr Cytoskeleton is made up of thin, hollow tubes of protien and thin, solid protien fibers.and Ribosomes definietion isRibosomes: Cells make their own protiens on small structures called Ribosomes


A gene can best be described as?

A gene is the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA, which, when translated into protein, leads to the expression of hereditary character.


How are the Prokaryotic and Eukaryotic cells different?

Prokaryotic cells do not have a nucleus and eukaryotic cells do. The main difference to remember is that everything in a eukaryotic cell is much larger and more complex than what would be fouind in a prokaryotic cell. Bacteria is made of prokaryotic cells. Plants and animals are made of eukaryotic cells. In addition to not having a nucleus (the main difference), prokaryotes also have circular DNA while eukaryotes have linear DNA. As such, prokaryotes do not have okazaki fragments formed during DNA replication. Eukaryote genes have introns and exons while prokaryotes do not, and eukaryotes have more "junk" DNA in general.


What enzyme protien is used to copy DNA?

The enzyme that is used to copy DNA is called DNA polymerase. It catalyzes the addition of nucleotides to the growing DNA strand, following the base-pairing rules where adenine pairs with thymine and cytosine pairs with guanine.