What is a signal peptide?   A. A sequence of amino acids in endomembrane system proteins that directs them to the endoplasmic reticulum   B. The sequence of amino acids in every protein that determines its location in the cell   C. A protein that directs other proteins where to go in the cell   D. A sequence of amino acids that gets added to proteins that are free-floating in the cytoplasm

Q: X What is the function of the structure labelled X? 4 Select one: a. move cells b. increase the rate…

A: The given diagram represents the fluid mosaic model of plasma membrane. All the cells are enclosed…

Q: ou add an NLS to a protein that is normally localized to the nucleus. What is the result of this…

A: Nuclear localization signal or sequence (NLS) is an amino acid sequence that are useful for the…

Q: After ingesting a bacteria, macrophages process bacterial parts and ‘present’ them to acquired…

A: Immunity is a phenomenon build up inside the body of an individual in order to protect from harmful…

Q: This copy - mRNA - travels from the nucleus of the cell to the part of the cell known as the…

A: Protein synthesis is also called translation and it occurs in the cytoplasm of the cell. Protein…

Q: In Eukaryotes, DNA is a long molecule inside a tiny nucleus. a. How can this long chain fit in such…

A: DNA (deoxyribo nucleic acid) is genetic material of the cell. In case of eukaryotes, DNA is…

Q: Choose the correct order of events for protein synthesis of an INTEGRAL MEMBRANE PROTEIN. 1.…

A: Gene expression is the process by which information from a gene is used in the synthesis of a…

Q: Match each statement below with the correct RNA molecule.   A. rRNA B. mRNA C. tRNA D. uRNA…

A: mRNA contains the codons in the form of triplet of nucleotides during transcription and is…

Q: What kind of domain is involved with intracellular signaling, cytoskeleton remodeling, and are able…

A: Pleckstrin homology domain is a protein domain consisting approximately 120 amino acids.

Q: Where does the transcription of DNA into mRNA occur in eukaryotes?   A. Nucleus   B. tRNA   C.…

A: The gene expression involves the transcription and translation of gene and mRNA (messenger…

Q: Where does translation of mRNA into polypeptides occur? a.Cytoplasm b.Nucleus c.Nuclear pores…

A: Cells are the biological, structural and functional unit of an organism. Cell has a nucleus that…

Q: What is the genetic code? a. The relationship between a three-base codon sequence and an amino acid…

A: Translation is the process of conversion of an mRNA (messenger RNA) molecule into a functional…

Q: What makes it possible for a neurotransmitter to act on a cell? Select one: a. Gene transcription…

A: Cell signaling is part of any interactive activity that directs the basic activities of cells and…

Q: A cell biologist asks you to image a protein of interest tagged with eGFP in a living cell. Describe…

A: Introduction :- eGFP is engineered ( enhanced) green fluorescent protein . The normal GFP protein is…

Q: Consider the following DNA sequence:CATGTGTAGTCTAAAa. Write the sequence of the DNA strand that…

A: Introduction: DNA is a hereditary material that transfers from one generation to another. It is a…

Q: The Golgi Apparatus is primarily responsible for what type of protein processing?   A. Trimming…

A: Single membrane bound, smooth surfaced stack of cytoplasmic tubules and vesicles concerned with…

Q: I am studying pancreatic islet cells and have isolated, cloned, and sequenced a novel protein that…

A: A transmembrane refers to a protein or molecule that spans the cell membrane, extending from the…

Q: Imagine a protein which functions in ER but requires modification in the Golgi apparatus before it…

A: Large and functional, the endoplasmic reticulum (ER) plays a variety of functions in the cell,…

Q: test if a protein is a membrane protein

A: Proteins are the organic compound composed of 20 or more amino acids joined by peptide bonds. There…

Q: What two sites are found in the ribosome that are necessary for the translocation of the ribosome?…

A: The process of translation helps in the synthesis of proteins due to the amino acids incorporation.

Q: why do transmembrane proteins cross the phospholipid bilayer as an a-helix or B-barrel? A. These…

A: Transmembrane  proteins are the proteins that span across the plasma membrane of the cell.  Their…

Q: Consider the amino acids on the image below. Which of the following amino acids would be most likely…

A: Protein is an essential macronutrient. It is found throughout the body of living beings in muscle,…

Q: Mild, non-ionic detergents (like Triton X-100, with polar but uncharged regions that do not denature…

A: Mild, non-ionic detergents are commonly used for the solubilization and separation of membrane…

Q: Integral membrane proteins can exist as all of the following, except: a. A single helix A beta…

A: An integral or intrinsic membrane protein abbreviated as IMP is one type of membrane protein that is…