Answer:
2,5,1,4,3
Explanation:
I'm not entirely sure about where number 2 goes. but
the helicase cuts the DNA
To control the activities of a cell, the control center.
by the tiny holes i don't know what you mean but there is ribosomes and lysosomes.
hoped i helped:P
Answer:
d. cells
cardiac tissue are made up of cells.
The correct answer for this question is Acetylcholine receptors at the neuromuscular junction i.e., B
The most basic type of is one in which a single protein or complex of proteins performs both hormone binding and signal generation. Ligand-gated ion channels are included in this category. They consist of two major components: a ligand-binding domain accessible from the cell's surface and a transmembrane domain containing a channel. Binding of ligand to the receptor's exofacial surface causes a conformational change that results in the opening of a pore, allowing specific ions to travel across the plasma membrane through the channel.
To know more about Ligand-gated ion click here:
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Answer:
D. The methyl group of acetyl CoA becomes radio-labeled
Explanation:
During the steps in glycolysis, the carbon at position 1, becomes C-1 in dihydroxyacetone phosphate during the cleavage of fructose-1,6-bisphosphate to dihydroxyacetone phosphate and glyceraldehyde-3-phosphate. Subsequently on isomerization of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate, C-1 of dihydroxyacetone phosphate becomes C-3 of glyceraldehyde-3-phosphate.
Furthermore, in pyruvate, the end product of glycolysis, C-3 is converted to a methyl group which then becomes the methyl group in the acetyl-CoA molecule produced from the oxidative decarboxylation of pyruvate.
Since the radioactive 14-C of radio-labeled glucose occupies position 1, it will become the methyl group of acetyl-CoA.
