Nucleotides play a variety of roles in the cell. Give an example of a nucleotide that acts in each of the following roles or processes.a. Second messengerb. Phosphoryl-group transferc. Activation of carbohydratesd. Activation of acetyl groupse. Transfer of electronsf. DNA sequencingg. Chemotherapyh. Allosteric effector

Q: Enzymes that phosphorylate proteins is an example of gene regulation by ---- "

A: Ans. The charged and hydrophilic group of Phosphorylation is inserted into the amino acids side…

Q: Which of the following best describes post-translational protein regulation? Regulation of the…

A: Translation is the cellular processes by which polypeptide chain is synthesized according to the…

Q: A protein that is regulated by the binding and hydrolysis of GTP will normally be most active when_…

A:

Q: Which of the following could create different versions of an enzyme? (Select all that apply) Note:…

A: The genetic information in the cell is stored in the sequence of nucleotides present in DNA , the…

Q: Which of the following molecules is most susceptible to random hydrolysis? OA. None of these; all of…

A: Random hydrolysis, the non-specific cleavage of bonds by water molecules, can affect different…

Q: pH > 7 in the lungs results in O deprotonating of histidine, making it neutral. Oprotonating of…

A: The pH, which stands for "potential of hydrogen," is a measure of the acidity or alkalinity of a…

Q: Charging TRNAS entail: All of these choices are correct. O Proper recognition between the anticodon…

A: t RNA charging occurs in translation process where protein synthesis occured from mRNA.

Q: a deaminating agent 5-BU is that can base-pair ike cytosine or like if 5-BU is cytosine incorporated…

A: 5-Bromo Uracil and nitrous acid are mutagenic agents. It means both of these agents cause mutation…

Q: pH > 7 in the lungs results in     deprotonating of histidine, making it negatively charged.…

A: The pKa of the ionizable side chain of an amino acid determines whether at a particular pH the side…

Q: A cell uses ATP to carry energy, which is released as needed to drive chemical reactions and work.…

A: Adenosine triphosphate or ATP is the molecule that provides energy for all cellular processes in all…

Q: explain how DNA indirectly regulates the synthesis ofnonprotein molecules

A: Deoxyribonucleic acid (DNA) represents the genome of most organisms and can exist in the cell in…

Q: What is the difference between G-actin and F-actin?

A:

Q: HIV, the virus that causes AIDS, depends on an enzyme called reverse transcriptase two multiply.…

A: HIV is a retrovirus that contains two small RNA molecules in its genome. They use reverse…

Q: The FMO3 enzyme has an important physiological function in people. State the normal substrate of…

A: Enzymes are biocatalysts that are involved in catalyzing many biochemical reactions. They speed up…

Q: Name two groups of drugs  that inhibit nucleic acid synthesis

A: There is a key group of antibiotics that interfere with DNA synthesis by inhibiting topoisomerase,…

Q: Which of the following group is not used to control enzymatic activity by covalent modification?…

A: Covalent modification add or remove a chemical group to a protein, DNA, or other biological molecule…

Q: Messenger RNA Select one: a. carries information that specifies which protein is to be made. b.…

A: All the RNAs are synthesized with the help of a DNA template strand by different kinds of RNA…

Q: What are some of the interactions made between ATP and the kinase? Describe bonds that the protein…

A: Kinase is an enzyme that help in transfer of phosphate group. Kinase is a large group of enzyme that…

Q: The enzyme, glycogen phosphorylase, requires regulation for its maximal activity. O A. both…

A: Glycogen is a storage polysaccharide, which is stored mainly in muscle and liver cells. Glycogen…

Q: Imagine you have a new drug and you believe it activates a particular pathway.  You want to prove…

A: Introduction :- Drugs are the chemical compounds which acts as the signal molecules for the cells ,…

Q: Which of the following characteristics does not describe RNA? a. contains uracil b. is…

A: The ribonucleic acid, complex compound of high atomic weight that functions in cell protein…

Q: You are studying Protein X, which is a tetramer whose function is to bind glucose. You have found a…

A: In biochemistry, allosteric regulation (or allosteric control) is the binding of an effector…

Q: A peptide with the sequence AELQAKSAIAHELQAKAAIAHA is treated with ATP while in the presence of…

A: Amino acid sequence (primary structure) folds on itself to form secondary structures such as…

Q: S-adenosylmethionine is an activated carrier molecule that transfers which of the following groups?…

A: Activated carrier molecules are the molecules which breakdown into two molecules to release the…

Cell Signaling

It allows cells to perform various cellular activities, coordinate, and interact with other cells. All cells of an organism receive signals from their environments and respond accordingly. Even the unicellular eukaryotes receive signals secreted by other cells and respond. In the case of yeast, mating takes place by signaling between the yeast cells. Communication by cell signaling in a multicellular organism has become a vast and important part of various fields of biology.