Phosphate transfer energy between organic molecules Sulfhydryl SH, thiols, stabilize structure of proteins by forming covalent bonds Methyl CH3, nonpolar and hydrophobic, effects gene expression 最好的學習方式。免費
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Starch consists of two types of polysaccharides: amylose and amylopectin. Amylose is a straight linear chain of glucose molecules linked by α-l,4 glycosidic linkages as shown in Fig. 2.19, in the same manner as in the disaccharide maltose. ... Amylose iswater insolubleand constitutes about 20...
MHC I molecules are found on all nucleated cells; they presentnormal self-antigensas well as abnormal or nonself pathogens to the effector T cells involved in cellular immunity. ... MHC II molecules are composed of two protein chains (an α and a β chain) that are approximately similar in...
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found in plant cells binary fission prokaryotes"division in half"asexual reproduction in bacteria origin of replication Site where the replication of a DNA molecule begins, consisting of a specific sequence of nucleotides. cell cycle control system a cyclically operating set of molecules in the cell ...
The glycolytic pathway can be divided into three stages:(1) glucose is trapped and destabilized;(2) two interconvertible three-carbon molecules are generated by cleavage of six-carbon fructose; and (3) ATP is generated. What class of enzymes does the enzyme Phosphofructokinase represent?
amine molecules responsible for the scent of decaying flesh Thalidomide two enantiomers of the compound, one treated morning sickness, the other caused birth defects Hemoglobin Iron complex carries oxygen around your blood 最好的學習方式。免費註冊。
development of fertilized egg, growth, repair All the DNA in a cell constitutes the cell's genome Genome can consist of a single DNA molecule (common in prokaryotic cells) or a number of DNA molecules (common in eukaryotic cells) DNA molecules in a cell are packaged into ...
50,000 shorter than the DNA molecule it contains enabling the long DNA molecules to fit in the nucleus Why must each daughter cell receive 46 chromosomes and a complete set of organelles? In mitosis a cell divides to form two identical daughter cells. ... It is important that the daughter...